20012806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39551}}^1$

素因数の和:39587

約数の個数: 16

約数和(自身を含む): 34172928

約数和(自身を除く): 14160122

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39551, 79102, 435061, 870122, 909673, 1819346, 10006403, 20012806]

約数ペア:

[(1, 20012806), (2, 10006403), (11, 1819346), (22, 909673), (23, 870122), (46, 435061), (253, 79102), (506, 39551)]