20157070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118571}}^1$

素因数の和:118595

約数の個数: 16

約数和(自身を含む): 38417328

約数和(自身を除く): 18260258

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 118571, 237142, 592855, 1185710, 2015707, 4031414, 10078535, 20157070]

約数ペア:

[(1, 20157070), (2, 10078535), (5, 4031414), (10, 2015707), (17, 1185710), (34, 592855), (85, 237142), (170, 118571)]