20901204

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25243}}^1$

素因数の和:25276

約数の個数: 36

約数和(自身を含む): 55132896

約数和(自身を除く): 34231692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25243, 50486, 75729, 100972, 151458, 227187, 302916, 454374, 580589, 908748, 1161178, 1741767, 2322356, 3483534, 5225301, 6967068, 10450602, 20901204]

約数ペア:

[(1, 20901204), (2, 10450602), (3, 6967068), (4, 5225301), (6, 3483534), (9, 2322356), (12, 1741767), (18, 1161178), (23, 908748), (36, 580589), (46, 454374), (69, 302916), (92, 227187), (138, 151458), (207, 100972), (276, 75729), (414, 50486), (828, 25243)]