20126093780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1201}}^1\times {\mathrm{64453}}^1$

素因数の和:65676

約数の個数: 48

約数和(自身を含む): 45554540304

約数和(自身を除く): 25428446524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1201, 2402, 4804, 6005, 12010, 15613, 24020, 31226, 62452, 64453, 78065, 128906, 156130, 257812, 312260, 322265, 644530, 837889, 1289060, 1675778, 3351556, 4189445, 8378890, 16757780, 77408053, 154816106, 309632212, 387040265, 774080530, 1006304689, 1548161060, 2012609378, 4025218756, 5031523445, 10063046890, 20126093780]

約数ペア:

[(1, 20126093780), (2, 10063046890), (4, 5031523445), (5, 4025218756), (10, 2012609378), (13, 1548161060), (20, 1006304689), (26, 774080530), (52, 387040265), (65, 309632212), (130, 154816106), (260, 77408053), (1201, 16757780), (2402, 8378890), (4804, 4189445), (6005, 3351556), (12010, 1675778), (15613, 1289060), (24020, 837889), (31226, 644530), (62452, 322265), (64453, 312260), (78065, 257812), (128906, 156130)]