20613060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 70447104

約数和(自身を除く): 49834044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 383, 390, 414, 460, 468, 585, 598, 690, 766, 780, 828, 897, 1035, 1149, 1170, 1196, 1380, 1495, 1532, 1794, 1915, 2070, 2298, 2340, 2691, 2990, 3447, 3588, 3830, 4140, 4485, 4596, 4979, 5382, 5745, 5980, 6894, 7660, 8809, 8970, 9958, 10764, 11490, 13455, 13788, 14937, 17235, 17618, 17940, 19916, 22980, 24895, 26427, 26910, 29874, 34470, 35236, 44045, 44811, 49790, 52854, 53820, 59748, 68940, 74685, 79281, 88090, 89622, 99580, 105708, 114517, 132135, 149370, 158562, 176180, 179244, 224055, 229034, 264270, 298740, 317124, 343551, 396405, 448110, 458068, 528540, 572585, 687102, 792810, 896220, 1030653, 1145170, 1374204, 1585620, 1717755, 2061306, 2290340, 3435510, 4122612, 5153265, 6871020, 10306530, 20613060]

約数ペア:

[(1, 20613060), (2, 10306530), (3, 6871020), (4, 5153265), (5, 4122612), (6, 3435510), (9, 2290340), (10, 2061306), (12, 1717755), (13, 1585620), (15, 1374204), (18, 1145170), (20, 1030653), (23, 896220), (26, 792810), (30, 687102), (36, 572585), (39, 528540), (45, 458068), (46, 448110), (52, 396405), (60, 343551), (65, 317124), (69, 298740), (78, 264270), (90, 229034), (92, 224055), (115, 179244), (117, 176180), (130, 158562), (138, 149370), (156, 132135), (180, 114517), (195, 105708), (207, 99580), (230, 89622), (234, 88090), (260, 79281), (276, 74685), (299, 68940), (345, 59748), (383, 53820), (390, 52854), (414, 49790), (460, 44811), (468, 44045), (585, 35236), (598, 34470), (690, 29874), (766, 26910), (780, 26427), (828, 24895), (897, 22980), (1035, 19916), (1149, 17940), (1170, 17618), (1196, 17235), (1380, 14937), (1495, 13788), (1532, 13455), (1794, 11490), (1915, 10764), (2070, 9958), (2298, 8970), (2340, 8809), (2691, 7660), (2990, 6894), (3447, 5980), (3588, 5745), (3830, 5382), (4140, 4979), (4485, 4596)]