20101893

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18061}}^1$

素因数の和:18124

約数の個数: 16

約数和(自身を含む): 31211136

約数和(自身を除く): 11109243

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18061, 54183, 126427, 379281, 957233, 2871699, 6700631, 20101893]

約数ペア:

[(1, 20101893), (3, 6700631), (7, 2871699), (21, 957233), (53, 379281), (159, 126427), (371, 54183), (1113, 18061)]