20403135

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6211}}^1$

素因数の和:6295

約数の個数: 24

約数和(自身を含む): 35855664

約数和(自身を除く): 15452529

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6211, 18633, 31055, 55899, 93165, 279495, 453403, 1360209, 2267015, 4080627, 6801045, 20403135]

約数ペア:

[(1, 20403135), (3, 6801045), (5, 4080627), (9, 2267015), (15, 1360209), (45, 453403), (73, 279495), (219, 93165), (365, 55899), (657, 31055), (1095, 18633), (3285, 6211)]