20356886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40231}}^1$

素因数の和:40267

約数の個数: 16

約数和(自身を含む): 34760448

約数和(自身を除く): 14403562

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40231, 80462, 442541, 885082, 925313, 1850626, 10178443, 20356886]

約数ペア:

[(1, 20356886), (2, 10178443), (11, 1850626), (22, 925313), (23, 885082), (46, 442541), (253, 80462), (506, 40231)]