20363356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4957}}^1$

素因数の和:5053

約数の個数: 24

約数和(自身を含む): 38870720

約数和(自身を除く): 18507364

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4957, 9914, 19828, 64441, 128882, 257764, 391603, 783206, 1566412, 5090839, 10181678, 20363356]

約数ペア:

[(1, 20363356), (2, 10181678), (4, 5090839), (13, 1566412), (26, 783206), (52, 391603), (79, 257764), (158, 128882), (316, 64441), (1027, 19828), (2054, 9914), (4108, 4957)]