20342378890

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9122143}}^1$

素因数の和:9122373

約数の個数: 16

約数和(自身を含む): 36780484608

約数和(自身を除く): 16438105718

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9122143, 18244286, 45610715, 91221430, 2034237889, 4068475778, 10171189445, 20342378890]

約数ペア:

[(1, 20342378890), (2, 10171189445), (5, 4068475778), (10, 2034237889), (223, 91221430), (446, 45610715), (1115, 18244286), (2230, 9122143)]