20291149942

素因数分解:

$2^1\times 7^1\times {\mathrm{10391}}^1\times {\mathrm{139483}}^1$

素因数の和:149883

約数の個数: 16

約数和(自身を含む): 34788425472

約数和(自身を除く): 14497275530

約数列:

[1, 2, 7, 14, 10391, 20782, 72737, 139483, 145474, 278966, 976381, 1952762, 1449367853, 2898735706, 10145574971, 20291149942]

約数ペア:

[(1, 20291149942), (2, 10145574971), (7, 2898735706), (14, 1449367853), (10391, 1952762), (20782, 976381), (72737, 278966), (139483, 145474)]