20348750

素因数分解:

$2^1\times 5^4\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:318

約数の個数: 40

約数和(自身を含む): 38837568

約数和(自身を除く): 18488818

約数列:

[1, 2, 5, 10, 25, 50, 73, 125, 146, 223, 250, 365, 446, 625, 730, 1115, 1250, 1825, 2230, 3650, 5575, 9125, 11150, 16279, 18250, 27875, 32558, 45625, 55750, 81395, 91250, 139375, 162790, 278750, 406975, 813950, 2034875, 4069750, 10174375, 20348750]

約数ペア:

[(1, 20348750), (2, 10174375), (5, 4069750), (10, 2034875), (25, 813950), (50, 406975), (73, 278750), (125, 162790), (146, 139375), (223, 91250), (250, 81395), (365, 55750), (446, 45625), (625, 32558), (730, 27875), (1115, 18250), (1250, 16279), (1825, 11150), (2230, 9125), (3650, 5575)]