20515906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3371}}^1$

素因数の和:3569

約数の個数: 16

約数和(自身を含む): 32775840

約数和(自身を除く): 12259934

約数列:

[1, 2, 17, 34, 179, 358, 3043, 3371, 6086, 6742, 57307, 114614, 603409, 1206818, 10257953, 20515906]

約数ペア:

[(1, 20515906), (2, 10257953), (17, 1206818), (34, 603409), (179, 114614), (358, 57307), (3043, 6742), (3371, 6086)]