20634964

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23773}}^1$

素因数の和:23815

約数の個数: 24

約数和(自身を含む): 42603008

約数和(自身を除く): 21968044

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23773, 47546, 95092, 166411, 332822, 665644, 736963, 1473926, 2947852, 5158741, 10317482, 20634964]

約数ペア:

[(1, 20634964), (2, 10317482), (4, 5158741), (7, 2947852), (14, 1473926), (28, 736963), (31, 665644), (62, 332822), (124, 166411), (217, 95092), (434, 47546), (868, 23773)]