20966750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11981}}^1$

素因数の和:12005

約数の個数: 32

約数和(自身を含む): 44860608

約数和(自身を除く): 23893858

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 11981, 23962, 59905, 83867, 119810, 167734, 299525, 419335, 599050, 838670, 1497625, 2096675, 2995250, 4193350, 10483375, 20966750]

約数ペア:

[(1, 20966750), (2, 10483375), (5, 4193350), (7, 2995250), (10, 2096675), (14, 1497625), (25, 838670), (35, 599050), (50, 419335), (70, 299525), (125, 167734), (175, 119810), (250, 83867), (350, 59905), (875, 23962), (1750, 11981)]