20452715

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 25559040

約数和(自身を除く): 5106325

約数列:

[1, 5, 31, 127, 155, 635, 1039, 3937, 5195, 19685, 32209, 131953, 161045, 659765, 4090543, 20452715]

約数ペア:

[(1, 20452715), (5, 4090543), (31, 659765), (127, 161045), (155, 131953), (635, 32209), (1039, 19685), (3937, 5195)]