20888934860

素因数分解:

$2^2\times 5^1\times {\mathrm{8017}}^1\times {\mathrm{130279}}^1$

素因数の和:138305

約数の個数: 24

約数和(自身を含む): 43872571680

約数和(自身を除く): 22983636820

約数列:

[1, 2, 4, 5, 10, 20, 8017, 16034, 32068, 40085, 80170, 130279, 160340, 260558, 521116, 651395, 1302790, 2605580, 1044446743, 2088893486, 4177786972, 5222233715, 10444467430, 20888934860]

約数ペア:

[(1, 20888934860), (2, 10444467430), (4, 5222233715), (5, 4177786972), (10, 2088893486), (20, 1044446743), (8017, 2605580), (16034, 1302790), (32068, 651395), (40085, 521116), (80170, 260558), (130279, 160340)]