20105750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11489}}^1$

素因数の和:11513

約数の個数: 32

約数和(自身を含む): 43018560

約数和(自身を除く): 22912810

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 11489, 22978, 57445, 80423, 114890, 160846, 287225, 402115, 574450, 804230, 1436125, 2010575, 2872250, 4021150, 10052875, 20105750]

約数ペア:

[(1, 20105750), (2, 10052875), (5, 4021150), (7, 2872250), (10, 2010575), (14, 1436125), (25, 804230), (35, 574450), (50, 402115), (70, 287225), (125, 160846), (175, 114890), (250, 80423), (350, 57445), (875, 22978), (1750, 11489)]