20646288520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3169}}^1$

素因数の和:3288

約数の個数: 256

約数和(自身を含む): 58666809600

約数和(自身を除く): 38020521080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 67, 68, 85, 88, 104, 110, 130, 134, 136, 143, 170, 187, 220, 221, 260, 268, 286, 335, 340, 374, 440, 442, 520, 536, 572, 670, 680, 715, 737, 748, 871, 884, 935, 1105, 1139, 1144, 1340, 1430, 1474, 1496, 1742, 1768, 1870, 2210, 2278, 2431, 2680, 2860, 2948, 3169, 3484, 3685, 3740, 4355, 4420, 4556, 4862, 5695, 5720, 5896, 6338, 6968, 7370, 7480, 8710, 8840, 9112, 9581, 9724, 11390, 12155, 12529, 12676, 14740, 14807, 15845, 17420, 19162, 19448, 22780, 24310, 25058, 25352, 29480, 29614, 31690, 34840, 34859, 38324, 41197, 45560, 47905, 48620, 50116, 53873, 59228, 62645, 63380, 69718, 74035, 76648, 82394, 95810, 97240, 100232, 107746, 118456, 125290, 126760, 139436, 148070, 162877, 164788, 174295, 191620, 205985, 212323, 215492, 250580, 269365, 278872, 296140, 325754, 329576, 348590, 383240, 411970, 424646, 430984, 453167, 501160, 538730, 592280, 592603, 651508, 697180, 700349, 814385, 823940, 849292, 906334, 1061615, 1077460, 1185206, 1303016, 1394360, 1400698, 1628770, 1647880, 1698584, 1812668, 2123230, 2154920, 2265835, 2335553, 2370412, 2760199, 2801396, 2963015, 3257540, 3501745, 3609491, 3625336, 4246460, 4531670, 4671106, 4740824, 5520398, 5602792, 5926030, 6515080, 7003490, 7218982, 7703839, 8492920, 9063340, 9342212, 11040796, 11677765, 11852060, 13800995, 14006980, 14437964, 15407678, 18047455, 18126680, 18684424, 22081592, 23355530, 23704120, 27601990, 28013960, 28875928, 30362189, 30815356, 36094910, 38519195, 39704401, 46711060, 46923383, 55203980, 60724378, 61630712, 72189820, 77038390, 79408802, 93422120, 93846766, 110407960, 121448756, 144379640, 151810945, 154076780, 158817604, 187693532, 198522005, 234616915, 242897512, 303621890, 308153560, 317635208, 375387064, 397044010, 469233830, 516157213, 607243780, 794088020, 938467660, 1032314426, 1214487560, 1588176040, 1876935320, 2064628852, 2580786065, 4129257704, 5161572130, 10323144260, 20646288520]

約数ペア:

[(1, 20646288520), (2, 10323144260), (4, 5161572130), (5, 4129257704), (8, 2580786065), (10, 2064628852), (11, 1876935320), (13, 1588176040), (17, 1214487560), (20, 1032314426), (22, 938467660), (26, 794088020), (34, 607243780), (40, 516157213), (44, 469233830), (52, 397044010), (55, 375387064), (65, 317635208), (67, 308153560), (68, 303621890), (85, 242897512), (88, 234616915), (104, 198522005), (110, 187693532), (130, 158817604), (134, 154076780), (136, 151810945), (143, 144379640), (170, 121448756), (187, 110407960), (220, 93846766), (221, 93422120), (260, 79408802), (268, 77038390), (286, 72189820), (335, 61630712), (340, 60724378), (374, 55203980), (440, 46923383), (442, 46711060), (520, 39704401), (536, 38519195), (572, 36094910), (670, 30815356), (680, 30362189), (715, 28875928), (737, 28013960), (748, 27601990), (871, 23704120), (884, 23355530), (935, 22081592), (1105, 18684424), (1139, 18126680), (1144, 18047455), (1340, 15407678), (1430, 14437964), (1474, 14006980), (1496, 13800995), (1742, 11852060), (1768, 11677765), (1870, 11040796), (2210, 9342212), (2278, 9063340), (2431, 8492920), (2680, 7703839), (2860, 7218982), (2948, 7003490), (3169, 6515080), (3484, 5926030), (3685, 5602792), (3740, 5520398), (4355, 4740824), (4420, 4671106), (4556, 4531670), (4862, 4246460), (5695, 3625336), (5720, 3609491), (5896, 3501745), (6338, 3257540), (6968, 2963015), (7370, 2801396), (7480, 2760199), (8710, 2370412), (8840, 2335553), (9112, 2265835), (9581, 2154920), (9724, 2123230), (11390, 1812668), (12155, 1698584), (12529, 1647880), (12676, 1628770), (14740, 1400698), (14807, 1394360), (15845, 1303016), (17420, 1185206), (19162, 1077460), (19448, 1061615), (22780, 906334), (24310, 849292), (25058, 823940), (25352, 814385), (29480, 700349), (29614, 697180), (31690, 651508), (34840, 592603), (34859, 592280), (38324, 538730), (41197, 501160), (45560, 453167), (47905, 430984), (48620, 424646), (50116, 411970), (53873, 383240), (59228, 348590), (62645, 329576), (63380, 325754), (69718, 296140), (74035, 278872), (76648, 269365), (82394, 250580), (95810, 215492), (97240, 212323), (100232, 205985), (107746, 191620), (118456, 174295), (125290, 164788), (126760, 162877), (139436, 148070)]