20681302

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1409}}^1$

素因数の和:1631

約数の個数: 16

約数和(自身を含む): 31978800

約数和(自身を除く): 11297498

約数列:

[1, 2, 41, 82, 179, 358, 1409, 2818, 7339, 14678, 57769, 115538, 252211, 504422, 10340651, 20681302]

約数ペア:

[(1, 20681302), (2, 10340651), (41, 504422), (82, 252211), (179, 115538), (358, 57769), (1409, 14678), (2818, 7339)]