20834800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1063}}^1$

素因数の和:1095

約数の個数: 90

約数和(自身を含む): 58282728

約数和(自身を除く): 37447928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1063, 1225, 1400, 1960, 2126, 2450, 2800, 3920, 4252, 4900, 5315, 7441, 8504, 9800, 10630, 14882, 17008, 19600, 21260, 26575, 29764, 37205, 42520, 52087, 53150, 59528, 74410, 85040, 104174, 106300, 119056, 148820, 186025, 208348, 212600, 260435, 297640, 372050, 416696, 425200, 520870, 595280, 744100, 833392, 1041740, 1302175, 1488200, 2083480, 2604350, 2976400, 4166960, 5208700, 10417400, 20834800]

約数ペア:

[(1, 20834800), (2, 10417400), (4, 5208700), (5, 4166960), (7, 2976400), (8, 2604350), (10, 2083480), (14, 1488200), (16, 1302175), (20, 1041740), (25, 833392), (28, 744100), (35, 595280), (40, 520870), (49, 425200), (50, 416696), (56, 372050), (70, 297640), (80, 260435), (98, 212600), (100, 208348), (112, 186025), (140, 148820), (175, 119056), (196, 106300), (200, 104174), (245, 85040), (280, 74410), (350, 59528), (392, 53150), (400, 52087), (490, 42520), (560, 37205), (700, 29764), (784, 26575), (980, 21260), (1063, 19600), (1225, 17008), (1400, 14882), (1960, 10630), (2126, 9800), (2450, 8504), (2800, 7441), (3920, 5315), (4252, 4900)]