20177456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97007}}^1$

素因数の和:97028

約数の個数: 20

約数和(自身を含む): 42101472

約数和(自身を除く): 21924016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97007, 194014, 388028, 776056, 1261091, 1552112, 2522182, 5044364, 10088728, 20177456]

約数ペア:

[(1, 20177456), (2, 10088728), (4, 5044364), (8, 2522182), (13, 1552112), (16, 1261091), (26, 776056), (52, 388028), (104, 194014), (208, 97007)]