20481962

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5233}}^1$

素因数の和:5357

約数の個数: 16

約数和(自身を含む): 32660160

約数和(自身を除く): 12178198

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5233, 10466, 99427, 198854, 538999, 1077998, 10240981, 20481962]

約数ペア:

[(1, 20481962), (2, 10240981), (19, 1077998), (38, 538999), (103, 198854), (206, 99427), (1957, 10466), (3914, 5233)]