20219870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3911}}^1$

素因数の和:3976

約数の個数: 32

約数和(自身を含む): 40559616

約数和(自身を除く): 20339746

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 3911, 5170, 7822, 19555, 39110, 43021, 86042, 183817, 215105, 367634, 430210, 919085, 1838170, 2021987, 4043974, 10109935, 20219870]

約数ペア:

[(1, 20219870), (2, 10109935), (5, 4043974), (10, 2021987), (11, 1838170), (22, 919085), (47, 430210), (55, 367634), (94, 215105), (110, 183817), (235, 86042), (470, 43021), (517, 39110), (1034, 19555), (2585, 7822), (3911, 5170)]