20099655

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3517}}^1$

素因数の和:3655

約数の個数: 24

約数和(自身を含む): 35123712

約数和(自身を除く): 15024057

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3517, 5715, 10551, 17585, 31653, 52755, 158265, 446659, 1339977, 2233295, 4019931, 6699885, 20099655]

約数ペア:

[(1, 20099655), (3, 6699885), (5, 4019931), (9, 2233295), (15, 1339977), (45, 446659), (127, 158265), (381, 52755), (635, 31653), (1143, 17585), (1905, 10551), (3517, 5715)]