20965113

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9431}}^1$

素因数の和:9469

約数の個数: 24

約数和(自身を含む): 34332480

約数和(自身を除く): 13367367

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9431, 28293, 84879, 122603, 179189, 367809, 537567, 1103427, 1612701, 2329457, 6988371, 20965113]

約数ペア:

[(1, 20965113), (3, 6988371), (9, 2329457), (13, 1612701), (19, 1103427), (39, 537567), (57, 367809), (117, 179189), (171, 122603), (247, 84879), (741, 28293), (2223, 9431)]