20042343

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 30990080

約数和(自身を除く): 10947737

約数列:

[1, 3, 9, 27, 43, 61, 129, 183, 283, 387, 549, 849, 1161, 1647, 2547, 2623, 7641, 7869, 12169, 17263, 23607, 36507, 51789, 70821, 109521, 155367, 328563, 466101, 742309, 2226927, 6680781, 20042343]

約数ペア:

[(1, 20042343), (3, 6680781), (9, 2226927), (27, 742309), (43, 466101), (61, 328563), (129, 155367), (183, 109521), (283, 70821), (387, 51789), (549, 36507), (849, 23607), (1161, 17263), (1647, 12169), (2547, 7869), (2623, 7641)]