20837547

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 11994453

約数列:

[1, 3, 9, 19, 27, 57, 151, 171, 269, 453, 513, 807, 1359, 2421, 2869, 4077, 5111, 7263, 8607, 15333, 25821, 40619, 45999, 77463, 121857, 137997, 365571, 771761, 1096713, 2315283, 6945849, 20837547]

約数ペア:

[(1, 20837547), (3, 6945849), (9, 2315283), (19, 1096713), (27, 771761), (57, 365571), (151, 137997), (171, 121857), (269, 77463), (453, 45999), (513, 40619), (807, 25821), (1359, 15333), (2421, 8607), (2869, 7263), (4077, 5111)]