20008712087

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{1543}}^1\times {\mathrm{20357}}^1$

素因数の和:21927

約数の個数: 24

約数和(自身を含む): 25083336096

約数和(自身を除く): 5074624009

約数列:

[1, 7, 13, 49, 91, 637, 1543, 10801, 20059, 20357, 75607, 140413, 142499, 264641, 982891, 997493, 1852487, 12967409, 31410851, 219875957, 408341063, 1539131699, 2858387441, 20008712087]

約数ペア:

[(1, 20008712087), (7, 2858387441), (13, 1539131699), (49, 408341063), (91, 219875957), (637, 31410851), (1543, 12967409), (10801, 1852487), (20059, 997493), (20357, 982891), (75607, 264641), (140413, 142499)]