20120370309

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1237}}^1\times {\mathrm{139021}}^1$

素因数の和:140277

約数の個数: 24

約数和(自身を含む): 31323880952

約数和(自身を除く): 11203510643

約数列:

[1, 3, 9, 13, 39, 117, 1237, 3711, 11133, 16081, 48243, 139021, 144729, 417063, 1251189, 1807273, 5421819, 16265457, 171968977, 515906931, 1547720793, 2235596701, 6706790103, 20120370309]

約数ペア:

[(1, 20120370309), (3, 6706790103), (9, 2235596701), (13, 1547720793), (39, 515906931), (117, 171968977), (1237, 16265457), (3711, 5421819), (11133, 1807273), (16081, 1251189), (48243, 417063), (139021, 144729)]