20165354885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{61837}}^1$

素因数の和:62057

約数の個数: 32

約数和(自身を含む): 27114726240

約数和(自身を除く): 6949371355

約数列:

[1, 5, 13, 29, 65, 145, 173, 377, 865, 1885, 2249, 5017, 11245, 25085, 61837, 65221, 309185, 326105, 803881, 1793273, 4019405, 8966365, 10697801, 23312549, 53489005, 116562745, 139071413, 310236229, 695357065, 1551181145, 4033070977, 20165354885]

約数ペア:

[(1, 20165354885), (5, 4033070977), (13, 1551181145), (29, 695357065), (65, 310236229), (145, 139071413), (173, 116562745), (377, 53489005), (865, 23312549), (1885, 10697801), (2249, 8966365), (5017, 4019405), (11245, 1793273), (25085, 803881), (61837, 326105), (65221, 309185)]