20634926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18457}}^1$

素因数の和:18515

約数の個数: 16

約数和(自身を含む): 34110384

約数和(自身を除く): 13475458

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18457, 36914, 239941, 479882, 793651, 1587302, 10317463, 20634926]

約数ペア:

[(1, 20634926), (2, 10317463), (13, 1587302), (26, 793651), (43, 479882), (86, 239941), (559, 36914), (1118, 18457)]