20807204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24889}}^1$

素因数の和:24923

約数の個数: 24

約数和(自身を含む): 41815200

約数和(自身を除く): 21007996

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 24889, 49778, 99556, 273779, 472891, 547558, 945782, 1095116, 1891564, 5201801, 10403602, 20807204]

約数ペア:

[(1, 20807204), (2, 10403602), (4, 5201801), (11, 1891564), (19, 1095116), (22, 945782), (38, 547558), (44, 472891), (76, 273779), (209, 99556), (418, 49778), (836, 24889)]