20598812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20885

約数の個数: 24

約数和(自身を含む): 40866000

約数和(自身を除く): 20267188

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20849, 41698, 83396, 271037, 396131, 542074, 792262, 1084148, 1584524, 5149703, 10299406, 20598812]

約数ペア:

[(1, 20598812), (2, 10299406), (4, 5149703), (13, 1584524), (19, 1084148), (26, 792262), (38, 542074), (52, 396131), (76, 271037), (247, 83396), (494, 41698), (988, 20849)]