20456487175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^2\times {\mathrm{2111}}^1$

素因数の和:2440

約数の個数: 36

約数和(自身を含む): 27050018688

約数和(自身を除く): 6593531513

約数列:

[1, 5, 17, 25, 85, 151, 425, 755, 2111, 2567, 3775, 10555, 12835, 22801, 35887, 52775, 64175, 114005, 179435, 318761, 387617, 570025, 897175, 1593805, 1938085, 5418937, 7969025, 9690425, 27094685, 48132911, 135473425, 240664555, 818259487, 1203322775, 4091297435, 20456487175]

約数ペア:

[(1, 20456487175), (5, 4091297435), (17, 1203322775), (25, 818259487), (85, 240664555), (151, 135473425), (425, 48132911), (755, 27094685), (2111, 9690425), (2567, 7969025), (3775, 5418937), (10555, 1938085), (12835, 1593805), (22801, 897175), (35887, 570025), (52775, 387617), (64175, 318761), (114005, 179435)]