20159280112

素因数分解:

$2^4\times {\mathrm{3881}}^1\times {\mathrm{324647}}^1$

素因数の和:328536

約数の個数: 20

約数和(自身を含む): 39068789616

約数和(自身を除く): 18909509504

約数列:

[1, 2, 4, 8, 16, 3881, 7762, 15524, 31048, 62096, 324647, 649294, 1298588, 2597176, 5194352, 1259955007, 2519910014, 5039820028, 10079640056, 20159280112]

約数ペア:

[(1, 20159280112), (2, 10079640056), (4, 5039820028), (8, 2519910014), (16, 1259955007), (3881, 5194352), (7762, 2597176), (15524, 1298588), (31048, 649294), (62096, 324647)]