20731635

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6311}}^1$

素因数の和:6395

約数の個数: 24

約数和(自身を含む): 36432864

約数和(自身を除く): 15701229

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6311, 18933, 31555, 56799, 94665, 283995, 460703, 1382109, 2303515, 4146327, 6910545, 20731635]

約数ペア:

[(1, 20731635), (3, 6910545), (5, 4146327), (9, 2303515), (15, 1382109), (45, 460703), (73, 283995), (219, 94665), (365, 56799), (657, 31555), (1095, 18933), (3285, 6311)]