20177761570

素因数分解:

$2^1\times 5^1\times {\mathrm{39251}}^1\times {\mathrm{51407}}^1$

素因数の和:90665

約数の個数: 16

約数和(自身を含む): 36321602688

約数和(自身を除く): 16143841118

約数列:

[1, 2, 5, 10, 39251, 51407, 78502, 102814, 196255, 257035, 392510, 514070, 2017776157, 4035552314, 10088880785, 20177761570]

約数ペア:

[(1, 20177761570), (2, 10088880785), (5, 4035552314), (10, 2017776157), (39251, 514070), (51407, 392510), (78502, 257035), (102814, 196255)]