20443826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 36505728

約数和(自身を除く): 16061902

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 2011, 4022, 5083, 10166, 26143, 34187, 46253, 52286, 68374, 92506, 444431, 601289, 786301, 888862, 1202578, 1572602, 10221913, 20443826]

約数ペア:

[(1, 20443826), (2, 10221913), (13, 1572602), (17, 1202578), (23, 888862), (26, 786301), (34, 601289), (46, 444431), (221, 92506), (299, 68374), (391, 52286), (442, 46253), (598, 34187), (782, 26143), (2011, 10166), (4022, 5083)]