20433213

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 31039008

約数和(自身を除く): 10605795

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1427, 1591, 4281, 4773, 12843, 14319, 52799, 61361, 158397, 184083, 475191, 552249, 2270357, 6811071, 20433213]

約数ペア:

[(1, 20433213), (3, 6811071), (9, 2270357), (37, 552249), (43, 475191), (111, 184083), (129, 158397), (333, 61361), (387, 52799), (1427, 14319), (1591, 12843), (4281, 4773)]