20785670960

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{428041}}^1$

素因数の和:428661

約数の個数: 40

約数和(自身を含む): 48406413696

約数和(自身を除く): 27620742736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 2428, 3035, 4856, 6070, 9712, 12140, 24280, 48560, 428041, 856082, 1712164, 2140205, 3424328, 4280410, 6848656, 8560820, 17121640, 34243280, 259820887, 519641774, 1039283548, 1299104435, 2078567096, 2598208870, 4157134192, 5196417740, 10392835480, 20785670960]

約数ペア:

[(1, 20785670960), (2, 10392835480), (4, 5196417740), (5, 4157134192), (8, 2598208870), (10, 2078567096), (16, 1299104435), (20, 1039283548), (40, 519641774), (80, 259820887), (607, 34243280), (1214, 17121640), (2428, 8560820), (3035, 6848656), (4856, 4280410), (6070, 3424328), (9712, 2140205), (12140, 1712164), (24280, 856082), (48560, 428041)]