220711984

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{99241}}^1$

素因数の和:99388

約数の個数: 20

約数和(自身を含む): 430710280

約数和(自身を除く): 209998296

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 99241, 198482, 396964, 793928, 1587856, 13794499, 27588998, 55177996, 110355992, 220711984]

約数ペア:

[(1, 220711984), (2, 110355992), (4, 55177996), (8, 27588998), (16, 13794499), (139, 1587856), (278, 793928), (556, 396964), (1112, 198482), (2224, 99241)]