20176650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3449}}^1$

素因数の和:3480

約数の個数: 72

約数和(自身を含む): 58394700

約数和(自身を除く): 38218050

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3449, 5850, 6898, 10347, 17245, 20694, 31041, 34490, 44837, 51735, 62082, 86225, 89674, 103470, 134511, 155205, 172450, 224185, 258675, 269022, 310410, 403533, 448370, 517350, 672555, 776025, 807066, 1120925, 1345110, 1552050, 2017665, 2241850, 3362775, 4035330, 6725550, 10088325, 20176650]

約数ペア:

[(1, 20176650), (2, 10088325), (3, 6725550), (5, 4035330), (6, 3362775), (9, 2241850), (10, 2017665), (13, 1552050), (15, 1345110), (18, 1120925), (25, 807066), (26, 776025), (30, 672555), (39, 517350), (45, 448370), (50, 403533), (65, 310410), (75, 269022), (78, 258675), (90, 224185), (117, 172450), (130, 155205), (150, 134511), (195, 103470), (225, 89674), (234, 86225), (325, 62082), (390, 51735), (450, 44837), (585, 34490), (650, 31041), (975, 20694), (1170, 17245), (1950, 10347), (2925, 6898), (3449, 5850)]