20199573

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 30415320

約数和(自身を除く): 10215747

約数列:

[1, 3, 9, 29, 87, 193, 261, 401, 579, 1203, 1737, 3609, 5597, 11629, 16791, 34887, 50373, 77393, 104661, 232179, 696537, 2244397, 6733191, 20199573]

約数ペア:

[(1, 20199573), (3, 6733191), (9, 2244397), (29, 696537), (87, 232179), (193, 104661), (261, 77393), (401, 50373), (579, 34887), (1203, 16791), (1737, 11629), (3609, 5597)]