20195767580

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1\times {\mathrm{16843}}^1$

素因数の和:17378

約数の個数: 48

約数和(自身を含む): 42786455040

約数和(自身を除く): 22590687460

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 359, 668, 718, 835, 1436, 1670, 1795, 3340, 3590, 7180, 16843, 33686, 59953, 67372, 84215, 119906, 168430, 239812, 299765, 336860, 599530, 1199060, 2812781, 5625562, 6046637, 11251124, 12093274, 14063905, 24186548, 28127810, 30233185, 56255620, 60466370, 120932740, 1009788379, 2019576758, 4039153516, 5048941895, 10097883790, 20195767580]

約数ペア:

[(1, 20195767580), (2, 10097883790), (4, 5048941895), (5, 4039153516), (10, 2019576758), (20, 1009788379), (167, 120932740), (334, 60466370), (359, 56255620), (668, 30233185), (718, 28127810), (835, 24186548), (1436, 14063905), (1670, 12093274), (1795, 11251124), (3340, 6046637), (3590, 5625562), (7180, 2812781), (16843, 1199060), (33686, 599530), (59953, 336860), (67372, 299765), (84215, 239812), (119906, 168430)]