20556614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1801}}^1$

素因数の和:2255

約数の個数: 16

約数和(自身を含む): 33300960

約数和(自身を除く): 12744346

約数列:

[1, 2, 13, 26, 439, 878, 1801, 3602, 5707, 11414, 23413, 46826, 790639, 1581278, 10278307, 20556614]

約数ペア:

[(1, 20556614), (2, 10278307), (13, 1581278), (26, 790639), (439, 46826), (878, 23413), (1801, 11414), (3602, 5707)]