20161383890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1\times {\mathrm{47149}}^1$

素因数の和:47918

約数の個数: 32

約数和(自身を含む): 36938818800

約数和(自身を除く): 16777434910

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 701, 1402, 3505, 7010, 42761, 47149, 85522, 94298, 213805, 235745, 427610, 471490, 2876089, 5752178, 14380445, 28760890, 33051449, 66102898, 165257245, 330514490, 2016138389, 4032276778, 10080691945, 20161383890]

約数ペア:

[(1, 20161383890), (2, 10080691945), (5, 4032276778), (10, 2016138389), (61, 330514490), (122, 165257245), (305, 66102898), (610, 33051449), (701, 28760890), (1402, 14380445), (3505, 5752178), (7010, 2876089), (42761, 471490), (47149, 427610), (85522, 235745), (94298, 213805)]