20217504964

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{3863}}^1\times {\mathrm{9413}}^1$

素因数の和:13419

約数の個数: 24

約数和(自身を含む): 35648182080

約数和(自身を除く): 15430677116

約数列:

[1, 2, 4, 139, 278, 556, 3863, 7726, 9413, 15452, 18826, 37652, 536957, 1073914, 1308407, 2147828, 2616814, 5233628, 36362419, 72724838, 145449676, 5054376241, 10108752482, 20217504964]

約数ペア:

[(1, 20217504964), (2, 10108752482), (4, 5054376241), (139, 145449676), (278, 72724838), (556, 36362419), (3863, 5233628), (7726, 2616814), (9413, 2147828), (15452, 1308407), (18826, 1073914), (37652, 536957)]