20135678425

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{2837}}^1\times {\mathrm{7673}}^1$

素因数の和:10557

約数の個数: 24

約数和(自身を含む): 25655440536

約数和(自身を除く): 5519762111

約数列:

[1, 5, 25, 37, 185, 925, 2837, 7673, 14185, 38365, 70925, 104969, 191825, 283901, 524845, 1419505, 2624225, 7097525, 21768301, 108841505, 544207525, 805427137, 4027135685, 20135678425]

約数ペア:

[(1, 20135678425), (5, 4027135685), (25, 805427137), (37, 544207525), (185, 108841505), (925, 21768301), (2837, 7097525), (7673, 2624225), (14185, 1419505), (38365, 524845), (70925, 283901), (104969, 191825)]