20389968152

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23382991}}^1$

素因数の和:23383106

約数の個数: 16

約数和(自身を含む): 38581936800

約数和(自身を除く): 18191968648

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23382991, 46765982, 93531964, 187063928, 2548746019, 5097492038, 10194984076, 20389968152]

約数ペア:

[(1, 20389968152), (2, 10194984076), (4, 5097492038), (8, 2548746019), (109, 187063928), (218, 93531964), (436, 46765982), (872, 23382991)]