20153478175

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{9057743}}^1$

素因数の和:9057842

約数の個数: 12

約数和(自身を含む): 25271105760

約数和(自身を除く): 5117627585

約数列:

[1, 5, 25, 89, 445, 2225, 9057743, 45288715, 226443575, 806139127, 4030695635, 20153478175]

約数ペア:

[(1, 20153478175), (5, 4030695635), (25, 806139127), (89, 226443575), (445, 45288715), (2225, 9057743)]