20401856

素因数分解:

$2^6\times {\mathrm{191}}^1\times {\mathrm{1669}}^1$

素因数の和:1872

約数の個数: 28

約数和(自身を含む): 40721280

約数和(自身を除く): 20319424

約数列:

[1, 2, 4, 8, 16, 32, 64, 191, 382, 764, 1528, 1669, 3056, 3338, 6112, 6676, 12224, 13352, 26704, 53408, 106816, 318779, 637558, 1275116, 2550232, 5100464, 10200928, 20401856]

約数ペア:

[(1, 20401856), (2, 10200928), (4, 5100464), (8, 2550232), (16, 1275116), (32, 637558), (64, 318779), (191, 106816), (382, 53408), (764, 26704), (1528, 13352), (1669, 12224), (3056, 6676), (3338, 6112)]