20219202

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 45384768

約数和(自身を除く): 25165566

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 151, 173, 258, 302, 346, 387, 453, 519, 774, 906, 1038, 1359, 1557, 2718, 3114, 6493, 7439, 12986, 14878, 19479, 22317, 26123, 38958, 44634, 52246, 58437, 66951, 78369, 116874, 133902, 156738, 235107, 470214, 1123289, 2246578, 3369867, 6739734, 10109601, 20219202]

約数ペア:

[(1, 20219202), (2, 10109601), (3, 6739734), (6, 3369867), (9, 2246578), (18, 1123289), (43, 470214), (86, 235107), (129, 156738), (151, 133902), (173, 116874), (258, 78369), (302, 66951), (346, 58437), (387, 52246), (453, 44634), (519, 38958), (774, 26123), (906, 22317), (1038, 19479), (1359, 14878), (1557, 12986), (2718, 7439), (3114, 6493)]