20781450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{46181}}^1$

素因数の和:46199

約数の個数: 36

約数和(自身を含む): 55834038

約数和(自身を除く): 35052588

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 46181, 92362, 138543, 230905, 277086, 415629, 461810, 692715, 831258, 1154525, 1385430, 2078145, 2309050, 3463575, 4156290, 6927150, 10390725, 20781450]

約数ペア:

[(1, 20781450), (2, 10390725), (3, 6927150), (5, 4156290), (6, 3463575), (9, 2309050), (10, 2078145), (15, 1385430), (18, 1154525), (25, 831258), (30, 692715), (45, 461810), (50, 415629), (75, 277086), (90, 230905), (150, 138543), (225, 92362), (450, 46181)]