20567880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 73382400

約数和(自身を除く): 52814520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 72, 76, 90, 93, 95, 97, 114, 120, 124, 152, 155, 171, 180, 186, 190, 194, 228, 248, 279, 285, 291, 310, 342, 360, 372, 380, 388, 456, 465, 485, 558, 570, 582, 589, 620, 684, 744, 760, 776, 855, 873, 930, 970, 1116, 1140, 1164, 1178, 1240, 1368, 1395, 1455, 1710, 1746, 1767, 1843, 1860, 1940, 2232, 2280, 2328, 2356, 2790, 2910, 2945, 3007, 3420, 3492, 3534, 3686, 3720, 3880, 4365, 4712, 5301, 5529, 5580, 5820, 5890, 6014, 6840, 6984, 7068, 7372, 8730, 8835, 9021, 9215, 10602, 11058, 11160, 11640, 11780, 12028, 14136, 14744, 15035, 16587, 17460, 17670, 18042, 18430, 21204, 22116, 23560, 24056, 26505, 27063, 27645, 30070, 33174, 34920, 35340, 36084, 36860, 42408, 44232, 45105, 53010, 54126, 55290, 57133, 60140, 66348, 70680, 72168, 73720, 82935, 90210, 106020, 108252, 110580, 114266, 120280, 132696, 135315, 165870, 171399, 180420, 212040, 216504, 221160, 228532, 270630, 285665, 331740, 342798, 360840, 457064, 514197, 541260, 571330, 663480, 685596, 856995, 1028394, 1082520, 1142660, 1371192, 1713990, 2056788, 2285320, 2570985, 3427980, 4113576, 5141970, 6855960, 10283940, 20567880]

約数ペア:

[(1, 20567880), (2, 10283940), (3, 6855960), (4, 5141970), (5, 4113576), (6, 3427980), (8, 2570985), (9, 2285320), (10, 2056788), (12, 1713990), (15, 1371192), (18, 1142660), (19, 1082520), (20, 1028394), (24, 856995), (30, 685596), (31, 663480), (36, 571330), (38, 541260), (40, 514197), (45, 457064), (57, 360840), (60, 342798), (62, 331740), (72, 285665), (76, 270630), (90, 228532), (93, 221160), (95, 216504), (97, 212040), (114, 180420), (120, 171399), (124, 165870), (152, 135315), (155, 132696), (171, 120280), (180, 114266), (186, 110580), (190, 108252), (194, 106020), (228, 90210), (248, 82935), (279, 73720), (285, 72168), (291, 70680), (310, 66348), (342, 60140), (360, 57133), (372, 55290), (380, 54126), (388, 53010), (456, 45105), (465, 44232), (485, 42408), (558, 36860), (570, 36084), (582, 35340), (589, 34920), (620, 33174), (684, 30070), (744, 27645), (760, 27063), (776, 26505), (855, 24056), (873, 23560), (930, 22116), (970, 21204), (1116, 18430), (1140, 18042), (1164, 17670), (1178, 17460), (1240, 16587), (1368, 15035), (1395, 14744), (1455, 14136), (1710, 12028), (1746, 11780), (1767, 11640), (1843, 11160), (1860, 11058), (1940, 10602), (2232, 9215), (2280, 9021), (2328, 8835), (2356, 8730), (2790, 7372), (2910, 7068), (2945, 6984), (3007, 6840), (3420, 6014), (3492, 5890), (3534, 5820), (3686, 5580), (3720, 5529), (3880, 5301), (4365, 4712)]