202153220

素因数分解:

$2^2\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{4721}}^1$

素因数の和:6871

約数の個数: 24

約数和(自身を含む): 424810008

約数和(自身を除く): 222656788

約数列:

[1, 2, 4, 5, 10, 20, 2141, 4282, 4721, 8564, 9442, 10705, 18884, 21410, 23605, 42820, 47210, 94420, 10107661, 20215322, 40430644, 50538305, 101076610, 202153220]

約数ペア:

[(1, 202153220), (2, 101076610), (4, 50538305), (5, 40430644), (10, 20215322), (20, 10107661), (2141, 94420), (4282, 47210), (4721, 42820), (8564, 23605), (9442, 21410), (10705, 18884)]