20802950

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{1213}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 45160800

約数和(自身を除く): 24357850

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 343, 350, 490, 686, 1213, 1225, 1715, 2426, 2450, 3430, 6065, 8491, 8575, 12130, 16982, 17150, 30325, 42455, 59437, 60650, 84910, 118874, 212275, 297185, 416059, 424550, 594370, 832118, 1485925, 2080295, 2971850, 4160590, 10401475, 20802950]

約数ペア:

[(1, 20802950), (2, 10401475), (5, 4160590), (7, 2971850), (10, 2080295), (14, 1485925), (25, 832118), (35, 594370), (49, 424550), (50, 416059), (70, 297185), (98, 212275), (175, 118874), (245, 84910), (343, 60650), (350, 59437), (490, 42455), (686, 30325), (1213, 17150), (1225, 16982), (1715, 12130), (2426, 8575), (2450, 8491), (3430, 6065)]