20961522

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61291}}^1$

素因数の和:61318

約数の個数: 24

約数和(自身を含む): 47807760

約数和(自身を除く): 26846238

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 61291, 122582, 183873, 367746, 551619, 1103238, 1164529, 2329058, 3493587, 6987174, 10480761, 20961522]

約数ペア:

[(1, 20961522), (2, 10480761), (3, 6987174), (6, 3493587), (9, 2329058), (18, 1164529), (19, 1103238), (38, 551619), (57, 367746), (114, 183873), (171, 122582), (342, 61291)]