20479578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1723}}^1$

素因数の和:2018

約数の個数: 32

約数和(自身を含む): 47003136

約数和(自身を除く): 26523558

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 283, 566, 849, 1698, 1723, 1981, 3446, 3962, 5169, 5943, 10338, 11886, 12061, 24122, 36183, 72366, 487609, 975218, 1462827, 2925654, 3413263, 6826526, 10239789, 20479578]

約数ペア:

[(1, 20479578), (2, 10239789), (3, 6826526), (6, 3413263), (7, 2925654), (14, 1462827), (21, 975218), (42, 487609), (283, 72366), (566, 36183), (849, 24122), (1698, 12061), (1723, 11886), (1981, 10338), (3446, 5943), (3962, 5169)]