20786740120

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1371157}}^1$

素因数の和:1371547

約数の個数: 32

約数和(自身を含む): 46893603600

約数和(自身を除く): 26106863480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 3032, 3790, 7580, 15160, 1371157, 2742314, 5484628, 6855785, 10969256, 13711570, 27423140, 54846280, 519668503, 1039337006, 2078674012, 2598342515, 4157348024, 5196685030, 10393370060, 20786740120]

約数ペア:

[(1, 20786740120), (2, 10393370060), (4, 5196685030), (5, 4157348024), (8, 2598342515), (10, 2078674012), (20, 1039337006), (40, 519668503), (379, 54846280), (758, 27423140), (1516, 13711570), (1895, 10969256), (3032, 6855785), (3790, 5484628), (7580, 2742314), (15160, 1371157)]