20778864888095

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{3221}}^1\times {\mathrm{43991}}^1$

素因数の和:47567

約数の個数: 32

約数和(自身を含む): 25241455249920

約数和(自身を除く): 4462590361825

約数列:

[1, 5, 139, 211, 695, 1055, 3221, 16105, 29329, 43991, 146645, 219955, 447719, 679631, 2238595, 3398155, 6114749, 9282101, 30573745, 46410505, 94468709, 141695011, 472343545, 708475055, 1290212039, 6451060195, 19695606529, 29897647321, 98478032645, 149488236605, 4155772977619, 20778864888095]

約数ペア:

[(1, 20778864888095), (5, 4155772977619), (139, 149488236605), (211, 98478032645), (695, 29897647321), (1055, 19695606529), (3221, 6451060195), (16105, 1290212039), (29329, 708475055), (43991, 472343545), (146645, 141695011), (219955, 94468709), (447719, 46410505), (679631, 30573745), (2238595, 9282101), (3398155, 6114749)]