20536155

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10613}}^1$

素因数の和:10667

約数の個数: 24

約数和(自身を含む): 36427248

約数和(自身を除く): 15891093

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10613, 31839, 53065, 95517, 159195, 456359, 477585, 1369077, 2281795, 4107231, 6845385, 20536155]

約数ペア:

[(1, 20536155), (3, 6845385), (5, 4107231), (9, 2281795), (15, 1369077), (43, 477585), (45, 456359), (129, 159195), (215, 95517), (387, 53065), (645, 31839), (1935, 10613)]