20938522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 15504998

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 319, 407, 638, 814, 887, 1073, 1774, 2146, 9757, 11803, 19514, 23606, 25723, 32819, 51446, 65638, 282953, 361009, 565906, 722018, 951751, 1903502, 10469261, 20938522]

約数ペア:

[(1, 20938522), (2, 10469261), (11, 1903502), (22, 951751), (29, 722018), (37, 565906), (58, 361009), (74, 282953), (319, 65638), (407, 51446), (638, 32819), (814, 25723), (887, 23606), (1073, 19514), (1774, 11803), (2146, 9757)]