20203750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{2309}}^1$

素因数の和:2338

約数の個数: 40

約数和(自身を含む): 43298640

約数和(自身を除く): 23094890

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 2309, 4375, 4618, 8750, 11545, 16163, 23090, 32326, 57725, 80815, 115450, 161630, 288625, 404075, 577250, 808150, 1443125, 2020375, 2886250, 4040750, 10101875, 20203750]

約数ペア:

[(1, 20203750), (2, 10101875), (5, 4040750), (7, 2886250), (10, 2020375), (14, 1443125), (25, 808150), (35, 577250), (50, 404075), (70, 288625), (125, 161630), (175, 115450), (250, 80815), (350, 57725), (625, 32326), (875, 23090), (1250, 16163), (1750, 11545), (2309, 8750), (4375, 4618)]