20577674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 34428240

約数和(自身を除く): 13850566

約数列:

[1, 2, 13, 26, 53, 106, 109, 137, 218, 274, 689, 1378, 1417, 1781, 2834, 3562, 5777, 7261, 11554, 14522, 14933, 29866, 75101, 94393, 150202, 188786, 194129, 388258, 791449, 1582898, 10288837, 20577674]

約数ペア:

[(1, 20577674), (2, 10288837), (13, 1582898), (26, 791449), (53, 388258), (106, 194129), (109, 188786), (137, 150202), (218, 94393), (274, 75101), (689, 29866), (1378, 14933), (1417, 14522), (1781, 11554), (2834, 7261), (3562, 5777)]