20190910

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19991}}^1$

素因数の和:20099

約数の個数: 16

約数和(自身を含む): 36705312

約数和(自身を除く): 16514402

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19991, 39982, 99955, 199910, 2019091, 4038182, 10095455, 20190910]

約数ペア:

[(1, 20190910), (2, 10095455), (5, 4038182), (10, 2019091), (101, 199910), (202, 99955), (505, 39982), (1010, 19991)]