20821185752

素因数分解:

$2^3\times {\mathrm{6317}}^1\times {\mathrm{412007}}^1$

素因数の和:418330

約数の個数: 16

約数和(自身を含む): 39045998160

約数和(自身を除く): 18224812408

約数列:

[1, 2, 4, 8, 6317, 12634, 25268, 50536, 412007, 824014, 1648028, 3296056, 2602648219, 5205296438, 10410592876, 20821185752]

約数ペア:

[(1, 20821185752), (2, 10410592876), (4, 5205296438), (8, 2602648219), (6317, 3296056), (12634, 1648028), (25268, 824014), (50536, 412007)]