20663301960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{390463}}^1$

素因数の和:390497

約数の個数: 192

約数和(自身を含む): 80123212800

約数和(自身を除く): 59459910840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5880, 6615, 7560, 8820, 10584, 13230, 17640, 26460, 52920, 390463, 780926, 1171389, 1561852, 1952315, 2342778, 2733241, 3123704, 3514167, 3904630, 4685556, 5466482, 5856945, 7028334, 7809260, 8199723, 9371112, 10542501, 10932964, 11713890, 13666205, 14056668, 15618520, 16399446, 17570835, 19132687, 21085002, 21865928, 23427780, 24599169, 27332410, 28113336, 32798892, 35141670, 38265374, 40998615, 42170004, 46855560, 49198338, 52712505, 54664820, 57398061, 65597784, 70283340, 73797507, 76530748, 81997230, 84340008, 95663435, 98396676, 105425010, 109329640, 114796122, 122995845, 140566680, 147595014, 153061496, 163994460, 172194183, 191326870, 196793352, 210850020, 229592244, 245991690, 286990305, 295190028, 327988920, 344388366, 368987535, 382653740, 421700040, 459184488, 491983380, 516582549, 573980610, 590380056, 688776732, 737975070, 765307480, 860970915, 983966760, 1033165098, 1147961220, 1377553464, 1475950140, 1721941830, 2066330196, 2295922440, 2582912745, 2951900280, 3443883660, 4132660392, 5165825490, 6887767320, 10331650980, 20663301960]

約数ペア:

[(1, 20663301960), (2, 10331650980), (3, 6887767320), (4, 5165825490), (5, 4132660392), (6, 3443883660), (7, 2951900280), (8, 2582912745), (9, 2295922440), (10, 2066330196), (12, 1721941830), (14, 1475950140), (15, 1377553464), (18, 1147961220), (20, 1033165098), (21, 983966760), (24, 860970915), (27, 765307480), (28, 737975070), (30, 688776732), (35, 590380056), (36, 573980610), (40, 516582549), (42, 491983380), (45, 459184488), (49, 421700040), (54, 382653740), (56, 368987535), (60, 344388366), (63, 327988920), (70, 295190028), (72, 286990305), (84, 245991690), (90, 229592244), (98, 210850020), (105, 196793352), (108, 191326870), (120, 172194183), (126, 163994460), (135, 153061496), (140, 147595014), (147, 140566680), (168, 122995845), (180, 114796122), (189, 109329640), (196, 105425010), (210, 98396676), (216, 95663435), (245, 84340008), (252, 81997230), (270, 76530748), (280, 73797507), (294, 70283340), (315, 65597784), (360, 57398061), (378, 54664820), (392, 52712505), (420, 49198338), (441, 46855560), (490, 42170004), (504, 40998615), (540, 38265374), (588, 35141670), (630, 32798892), (735, 28113336), (756, 27332410), (840, 24599169), (882, 23427780), (945, 21865928), (980, 21085002), (1080, 19132687), (1176, 17570835), (1260, 16399446), (1323, 15618520), (1470, 14056668), (1512, 13666205), (1764, 11713890), (1890, 10932964), (1960, 10542501), (2205, 9371112), (2520, 8199723), (2646, 7809260), (2940, 7028334), (3528, 5856945), (3780, 5466482), (4410, 4685556), (5292, 3904630), (5880, 3514167), (6615, 3123704), (7560, 2733241), (8820, 2342778), (10584, 1952315), (13230, 1561852), (17640, 1171389), (26460, 780926), (52920, 390463)]