20189703779

素因数分解:

$7^2\times {\mathrm{877}}^1\times {\mathrm{469823}}^1$

素因数の和:470714

約数の個数: 12

約数和(自身を含む): 23512811904

約数和(自身を除く): 3323108125

約数列:

[1, 7, 49, 877, 6139, 42973, 469823, 3288761, 23021327, 412034771, 2884243397, 20189703779]

約数ペア:

[(1, 20189703779), (7, 2884243397), (49, 412034771), (877, 23021327), (6139, 3288761), (42973, 469823)]