220249072

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{61729}}^1$

素因数の和:61960

約数の個数: 20

約数和(自身を含む): 428653120

約数和(自身を除く): 208404048

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 61729, 123458, 246916, 493832, 987664, 13765567, 27531134, 55062268, 110124536, 220249072]

約数ペア:

[(1, 220249072), (2, 110124536), (4, 55062268), (8, 27531134), (16, 13765567), (223, 987664), (446, 493832), (892, 246916), (1784, 123458), (3568, 61729)]