20330649

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 31664640

約数和(自身を除く): 11333991

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 433, 999, 1269, 1299, 1739, 3897, 5217, 11691, 15651, 16021, 20351, 46953, 48063, 61053, 144189, 183159, 432567, 549477, 752987, 2258961, 6776883, 20330649]

約数ペア:

[(1, 20330649), (3, 6776883), (9, 2258961), (27, 752987), (37, 549477), (47, 432567), (111, 183159), (141, 144189), (333, 61053), (423, 48063), (433, 46953), (999, 20351), (1269, 16021), (1299, 15651), (1739, 11691), (3897, 5217)]