20515673815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{12953}}^1$

素因数の和:13096

約数の個数: 48

約数和(自身を含む): 30824716608

約数和(自身を除く): 10309042793

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 295, 413, 455, 767, 2065, 3481, 3835, 5369, 12953, 17405, 24367, 26845, 45253, 64765, 90671, 121835, 168389, 226265, 316771, 453355, 764227, 841945, 1178723, 1583855, 3821135, 5349589, 5893615, 9934951, 26747945, 45089393, 49674755, 69544657, 225446965, 315625751, 347723285, 586162109, 1578128755, 2930810545, 4103134763, 20515673815]

約数ペア:

[(1, 20515673815), (5, 4103134763), (7, 2930810545), (13, 1578128755), (35, 586162109), (59, 347723285), (65, 315625751), (91, 225446965), (295, 69544657), (413, 49674755), (455, 45089393), (767, 26747945), (2065, 9934951), (3481, 5893615), (3835, 5349589), (5369, 3821135), (12953, 1583855), (17405, 1178723), (24367, 841945), (26845, 764227), (45253, 453355), (64765, 316771), (90671, 226265), (121835, 168389)]