20991736807

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{137639}}^1$

素因数の和:138030

約数の個数: 16

約数和(自身を含む): 23123520000

約数和(自身を除く): 2131783193

約数列:

[1, 19, 23, 349, 437, 6631, 8027, 137639, 152513, 2615141, 3165697, 48036011, 60148243, 912684209, 1104828253, 20991736807]

約数ペア:

[(1, 20991736807), (19, 1104828253), (23, 912684209), (349, 60148243), (437, 48036011), (6631, 3165697), (8027, 2615141), (137639, 152513)]