20165718307

素因数分解:

$7^1\times {\mathrm{191}}^1\times {\mathrm{2221}}^1\times {\mathrm{6791}}^1$

素因数の和:9210

約数の個数: 16

約数和(自身を含む): 23181041664

約数和(自身を除く): 3015323357

約数列:

[1, 7, 191, 1337, 2221, 6791, 15547, 47537, 424211, 1297081, 2969477, 9079567, 15082811, 105579677, 2880816901, 20165718307]

約数ペア:

[(1, 20165718307), (7, 2880816901), (191, 105579677), (1337, 15082811), (2221, 9079567), (6791, 2969477), (15547, 1297081), (47537, 424211)]