20487942

素因数分解:

$2^1\times 3^2\times {\mathrm{499}}^1\times {\mathrm{2281}}^1$

素因数の和:2788

約数の個数: 24

約数和(自身を含む): 44499000

約数和(自身を除く): 24011058

約数列:

[1, 2, 3, 6, 9, 18, 499, 998, 1497, 2281, 2994, 4491, 4562, 6843, 8982, 13686, 20529, 41058, 1138219, 2276438, 3414657, 6829314, 10243971, 20487942]

約数ペア:

[(1, 20487942), (2, 10243971), (3, 6829314), (6, 3414657), (9, 2276438), (18, 1138219), (499, 41058), (998, 20529), (1497, 13686), (2281, 8982), (2994, 6843), (4491, 4562)]