20906750

素因数分解:

$2^1\times 5^3\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 39413088

約数和(自身を除く): 18506338

約数列:

[1, 2, 5, 10, 25, 50, 125, 241, 250, 347, 482, 694, 1205, 1735, 2410, 3470, 6025, 8675, 12050, 17350, 30125, 43375, 60250, 83627, 86750, 167254, 418135, 836270, 2090675, 4181350, 10453375, 20906750]

約数ペア:

[(1, 20906750), (2, 10453375), (5, 4181350), (10, 2090675), (25, 836270), (50, 418135), (125, 167254), (241, 86750), (250, 83627), (347, 60250), (482, 43375), (694, 30125), (1205, 17350), (1735, 12050), (2410, 8675), (3470, 6025)]