20842064

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8297}}^1$

素因数の和:8462

約数の個数: 20

約数和(自身を含む): 40643604

約数和(自身を除く): 19801540

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8297, 16594, 33188, 66376, 132752, 1302629, 2605258, 5210516, 10421032, 20842064]

約数ペア:

[(1, 20842064), (2, 10421032), (4, 5210516), (8, 2605258), (16, 1302629), (157, 132752), (314, 66376), (628, 33188), (1256, 16594), (2512, 8297)]