20508250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11719}}^1$

素因数の和:11743

約数の個数: 32

約数和(自身を含む): 43879680

約数和(自身を除く): 23371430

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 11719, 23438, 58595, 82033, 117190, 164066, 292975, 410165, 585950, 820330, 1464875, 2050825, 2929750, 4101650, 10254125, 20508250]

約数ペア:

[(1, 20508250), (2, 10254125), (5, 4101650), (7, 2929750), (10, 2050825), (14, 1464875), (25, 820330), (35, 585950), (50, 410165), (70, 292975), (125, 164066), (175, 117190), (250, 82033), (350, 58595), (875, 23438), (1750, 11719)]