20420162

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 38313600

約数和(自身を除く): 17893438

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 103, 119, 206, 238, 289, 343, 578, 686, 721, 833, 1442, 1666, 1751, 2023, 3502, 4046, 5047, 5831, 10094, 11662, 12257, 14161, 24514, 28322, 29767, 35329, 59534, 70658, 85799, 99127, 171598, 198254, 208369, 416738, 600593, 1201186, 1458583, 2917166, 10210081, 20420162]

約数ペア:

[(1, 20420162), (2, 10210081), (7, 2917166), (14, 1458583), (17, 1201186), (34, 600593), (49, 416738), (98, 208369), (103, 198254), (119, 171598), (206, 99127), (238, 85799), (289, 70658), (343, 59534), (578, 35329), (686, 29767), (721, 28322), (833, 24514), (1442, 14161), (1666, 12257), (1751, 11662), (2023, 10094), (3502, 5831), (4046, 5047)]