20129378096

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1272079}}^1$

素因数の和:1272153

約数の個数: 40

約数和(自身を含む): 41642810880

約数和(自身を除く): 21513432784

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 15824, 1272079, 2544158, 5088316, 10176632, 20353264, 29257817, 54699397, 58515634, 109398794, 117031268, 218797588, 234062536, 437595176, 468125072, 875190352, 1258086131, 2516172262, 5032344524, 10064689048, 20129378096]

約数ペア:

[(1, 20129378096), (2, 10064689048), (4, 5032344524), (8, 2516172262), (16, 1258086131), (23, 875190352), (43, 468125072), (46, 437595176), (86, 234062536), (92, 218797588), (172, 117031268), (184, 109398794), (344, 58515634), (368, 54699397), (688, 29257817), (989, 20353264), (1978, 10176632), (3956, 5088316), (7912, 2544158), (15824, 1272079)]