20982633

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3037}}^1$

素因数の和:3101

約数の個数: 24

約数和(自身を含む): 33247872

約数和(自身を除く): 12265239

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 3037, 6909, 9111, 21259, 63777, 142739, 148813, 428217, 446439, 999173, 2997519, 6994211, 20982633]

約数ペア:

[(1, 20982633), (3, 6994211), (7, 2997519), (21, 999173), (47, 446439), (49, 428217), (141, 148813), (147, 142739), (329, 63777), (987, 21259), (2303, 9111), (3037, 6909)]