20457522

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3413}}^1$

素因数の和:3464

約数の個数: 40

約数和(自身を含む): 47092716

約数和(自身を除く): 26635194

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 3413, 5994, 6826, 10239, 20478, 30717, 61434, 92151, 126281, 184302, 252562, 276453, 378843, 552906, 757686, 1136529, 2273058, 3409587, 6819174, 10228761, 20457522]

約数ペア:

[(1, 20457522), (2, 10228761), (3, 6819174), (6, 3409587), (9, 2273058), (18, 1136529), (27, 757686), (37, 552906), (54, 378843), (74, 276453), (81, 252562), (111, 184302), (162, 126281), (222, 92151), (333, 61434), (666, 30717), (999, 20478), (1998, 10239), (2997, 6826), (3413, 5994)]