20883810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16189}}^1$

素因数の和:16242

約数の個数: 32

約数和(自身を含む): 51289920

約数和(自身を除く): 30406110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16189, 32378, 48567, 80945, 97134, 161890, 242835, 485670, 696127, 1392254, 2088381, 3480635, 4176762, 6961270, 10441905, 20883810]

約数ペア:

[(1, 20883810), (2, 10441905), (3, 6961270), (5, 4176762), (6, 3480635), (10, 2088381), (15, 1392254), (30, 696127), (43, 485670), (86, 242835), (129, 161890), (215, 97134), (258, 80945), (430, 48567), (645, 32378), (1290, 16189)]