20805900606

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{191657}}^1$

素因数の和:191865

約数の個数: 48

約数和(自身を含む): 46582093584

約数和(自身を除く): 25776192978

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 163, 222, 326, 333, 489, 666, 978, 1467, 2934, 6031, 12062, 18093, 36186, 54279, 108558, 191657, 383314, 574971, 1149942, 1724913, 3449826, 7091309, 14182618, 21273927, 31240091, 42547854, 62480182, 63821781, 93720273, 127643562, 187440546, 281160819, 562321638, 1155883367, 2311766734, 3467650101, 6935300202, 10402950303, 20805900606]

約数ペア:

[(1, 20805900606), (2, 10402950303), (3, 6935300202), (6, 3467650101), (9, 2311766734), (18, 1155883367), (37, 562321638), (74, 281160819), (111, 187440546), (163, 127643562), (222, 93720273), (326, 63821781), (333, 62480182), (489, 42547854), (666, 31240091), (978, 21273927), (1467, 14182618), (2934, 7091309), (6031, 3449826), (12062, 1724913), (18093, 1149942), (36186, 574971), (54279, 383314), (108558, 191657)]