20128690

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 37428480

約数和(自身を除く): 17299790

約数列:

[1, 2, 5, 10, 47, 94, 113, 226, 235, 379, 470, 565, 758, 1130, 1895, 3790, 5311, 10622, 17813, 26555, 35626, 42827, 53110, 85654, 89065, 178130, 214135, 428270, 2012869, 4025738, 10064345, 20128690]

約数ペア:

[(1, 20128690), (2, 10064345), (5, 4025738), (10, 2012869), (47, 428270), (94, 214135), (113, 178130), (226, 89065), (235, 85654), (379, 53110), (470, 42827), (565, 35626), (758, 26555), (1130, 17813), (1895, 10622), (3790, 5311)]