20662864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41659}}^1$

素因数の和:41698

約数の個数: 20

約数和(自身を含む): 41326720

約数和(自身を除く): 20663856

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41659, 83318, 166636, 333272, 666544, 1291429, 2582858, 5165716, 10331432, 20662864]

約数ペア:

[(1, 20662864), (2, 10331432), (4, 5165716), (8, 2582858), (16, 1291429), (31, 666544), (62, 333272), (124, 166636), (248, 83318), (496, 41659)]