20174789870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{147229}}^1$

素因数の和:147500

約数の個数: 32

約数和(自身を含む): 37017155520

約数和(自身を除く): 16842365650

約数列:

[1, 2, 5, 10, 71, 142, 193, 355, 386, 710, 965, 1930, 13703, 27406, 68515, 137030, 147229, 294458, 736145, 1472290, 10453259, 20906518, 28415197, 52266295, 56830394, 104532590, 142075985, 284151970, 2017478987, 4034957974, 10087394935, 20174789870]

約数ペア:

[(1, 20174789870), (2, 10087394935), (5, 4034957974), (10, 2017478987), (71, 284151970), (142, 142075985), (193, 104532590), (355, 56830394), (386, 52266295), (710, 28415197), (965, 20906518), (1930, 10453259), (13703, 1472290), (27406, 736145), (68515, 294458), (137030, 147229)]