20295314

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 36257928

約数和(自身を除く): 15962614

約数列:

[1, 2, 13, 17, 26, 34, 37, 73, 74, 146, 221, 289, 442, 481, 578, 629, 949, 962, 1241, 1258, 1898, 2482, 2701, 3757, 5402, 7514, 8177, 10693, 16133, 16354, 21097, 21386, 32266, 35113, 42194, 45917, 70226, 91834, 139009, 274261, 278018, 548522, 596921, 780589, 1193842, 1561178, 10147657, 20295314]

約数ペア:

[(1, 20295314), (2, 10147657), (13, 1561178), (17, 1193842), (26, 780589), (34, 596921), (37, 548522), (73, 278018), (74, 274261), (146, 139009), (221, 91834), (289, 70226), (442, 45917), (481, 42194), (578, 35113), (629, 32266), (949, 21386), (962, 21097), (1241, 16354), (1258, 16133), (1898, 10693), (2482, 8177), (2701, 7514), (3757, 5402)]