20107485

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6121}}^1$

素因数の和:6205

約数の個数: 24

約数和(自身を含む): 35336184

約数和(自身を除く): 15228699

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6121, 18363, 30605, 55089, 91815, 275445, 446833, 1340499, 2234165, 4021497, 6702495, 20107485]

約数ペア:

[(1, 20107485), (3, 6702495), (5, 4021497), (9, 2234165), (15, 1340499), (45, 446833), (73, 275445), (219, 91815), (365, 55089), (657, 30605), (1095, 18363), (3285, 6121)]