20523386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 35743680

約数和(自身を除く): 15220294

約数列:

[1, 2, 13, 17, 26, 34, 59, 118, 221, 442, 767, 787, 1003, 1534, 1574, 2006, 10231, 13039, 13379, 20462, 26078, 26758, 46433, 92866, 173927, 347854, 603629, 789361, 1207258, 1578722, 10261693, 20523386]

約数ペア:

[(1, 20523386), (2, 10261693), (13, 1578722), (17, 1207258), (26, 789361), (34, 603629), (59, 347854), (118, 173927), (221, 92866), (442, 46433), (767, 26758), (787, 26078), (1003, 20462), (1534, 13379), (1574, 13039), (2006, 10231)]