20481266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25411}}^1$

素因数の和:25457

約数の個数: 16

約数和(自身を含む): 34153728

約数和(自身を除く): 13672462

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25411, 50822, 330343, 660686, 787741, 1575482, 10240633, 20481266]

約数ペア:

[(1, 20481266), (2, 10240633), (13, 1575482), (26, 787741), (31, 660686), (62, 330343), (403, 50822), (806, 25411)]