20057728

素因数分解:

$2^7\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 40162500

約数和(自身を除く): 20104772

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 349, 449, 698, 898, 1396, 1796, 2792, 3592, 5584, 7184, 11168, 14368, 22336, 28736, 44672, 57472, 156701, 313402, 626804, 1253608, 2507216, 5014432, 10028864, 20057728]

約数ペア:

[(1, 20057728), (2, 10028864), (4, 5014432), (8, 2507216), (16, 1253608), (32, 626804), (64, 313402), (128, 156701), (349, 57472), (449, 44672), (698, 28736), (898, 22336), (1396, 14368), (1796, 11168), (2792, 7184), (3592, 5584)]