20451866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13127}}^1$

素因数の和:13189

約数の個数: 16

約数和(自身を含む): 33082560

約数和(自身を除く): 12630694

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13127, 26254, 249413, 498826, 538207, 1076414, 10225933, 20451866]

約数ペア:

[(1, 20451866), (2, 10225933), (19, 1076414), (38, 538207), (41, 498826), (82, 249413), (779, 26254), (1558, 13127)]