20883990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40949}}^1$

素因数の和:40976

約数の個数: 32

約数和(自身を含む): 53071200

約数和(自身を除く): 32187210

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40949, 81898, 122847, 204745, 245694, 409490, 614235, 696133, 1228470, 1392266, 2088399, 3480665, 4176798, 6961330, 10441995, 20883990]

約数ペア:

[(1, 20883990), (2, 10441995), (3, 6961330), (5, 4176798), (6, 3480665), (10, 2088399), (15, 1392266), (17, 1228470), (30, 696133), (34, 614235), (51, 409490), (85, 245694), (102, 204745), (170, 122847), (255, 81898), (510, 40949)]