20120840188

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{2720503}}^1$

素因数の和:2720593

約数の個数: 18

約数和(自身を含む): 36049398504

約数和(自身を除く): 15928558316

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 2720503, 5441006, 10882012, 116981629, 233963258, 467926516, 5030210047, 10060420094, 20120840188]

約数ペア:

[(1, 20120840188), (2, 10060420094), (4, 5030210047), (43, 467926516), (86, 233963258), (172, 116981629), (1849, 10882012), (3698, 5441006), (7396, 2720503)]