15122420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24391}}^1$

素因数の和:24431

約数の個数: 24

約数和(自身を含む): 32782848

約数和(自身を除く): 17660428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 24391, 48782, 97564, 121955, 243910, 487820, 756121, 1512242, 3024484, 3780605, 7561210, 15122420]

約数ペア:

[(1, 15122420), (2, 7561210), (4, 3780605), (5, 3024484), (10, 1512242), (20, 756121), (31, 487820), (62, 243910), (124, 121955), (155, 97564), (310, 48782), (620, 24391)]