20634418

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77573}}^1$

素因数の和:77601

約数の個数: 16

約数和(自身を含む): 37235520

約数和(自身を除く): 16601102

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77573, 155146, 543011, 1086022, 1473887, 2947774, 10317209, 20634418]

約数ペア:

[(1, 20634418), (2, 10317209), (7, 2947774), (14, 1473887), (19, 1086022), (38, 543011), (133, 155146), (266, 77573)]