20770744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1373}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 40890240

約数和(自身を除く): 20119496

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1373, 1891, 2746, 3782, 5492, 7564, 10984, 15128, 42563, 83753, 85126, 167506, 170252, 335012, 340504, 670024, 2596343, 5192686, 10385372, 20770744]

約数ペア:

[(1, 20770744), (2, 10385372), (4, 5192686), (8, 2596343), (31, 670024), (61, 340504), (62, 335012), (122, 170252), (124, 167506), (244, 85126), (248, 83753), (488, 42563), (1373, 15128), (1891, 10984), (2746, 7564), (3782, 5492)]