20081204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35107}}^1$

素因数の和:35135

約数の個数: 24

約数和(自身を含む): 41287008

約数和(自身を除く): 21205804

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35107, 70214, 140428, 386177, 456391, 772354, 912782, 1544708, 1825564, 5020301, 10040602, 20081204]

約数ペア:

[(1, 20081204), (2, 10040602), (4, 5020301), (11, 1825564), (13, 1544708), (22, 912782), (26, 772354), (44, 456391), (52, 386177), (143, 140428), (286, 70214), (572, 35107)]