20139080380

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4011769}}^1$

素因数の和:4012029

約数の個数: 24

約数和(自身を含む): 42460573680

約数和(自身を除く): 22321493300

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 4011769, 8023538, 16047076, 20058845, 40117690, 80235380, 1006954019, 2013908038, 4027816076, 5034770095, 10069540190, 20139080380]

約数ペア:

[(1, 20139080380), (2, 10069540190), (4, 5034770095), (5, 4027816076), (10, 2013908038), (20, 1006954019), (251, 80235380), (502, 40117690), (1004, 20058845), (1255, 16047076), (2510, 8023538), (5020, 4011769)]