206842420

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{10651}}^1$

素因数の和:11631

約数の個数: 24

約数和(自身を含む): 434857248

約数和(自身を除く): 228014828

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 9710, 10651, 19420, 21302, 42604, 53255, 106510, 213020, 10342121, 20684242, 41368484, 51710605, 103421210, 206842420]

約数ペア:

[(1, 206842420), (2, 103421210), (4, 51710605), (5, 41368484), (10, 20684242), (20, 10342121), (971, 213020), (1942, 106510), (3884, 53255), (4855, 42604), (9710, 21302), (10651, 19420)]