20112235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 9498773

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1223, 1265, 1495, 3289, 6115, 13453, 15899, 16445, 28129, 67265, 79495, 140645, 174889, 309419, 365677, 874445, 1547095, 1828385, 4022447, 20112235]

約数ペア:

[(1, 20112235), (5, 4022447), (11, 1828385), (13, 1547095), (23, 874445), (55, 365677), (65, 309419), (115, 174889), (143, 140645), (253, 79495), (299, 67265), (715, 28129), (1223, 16445), (1265, 15899), (1495, 13453), (3289, 6115)]