20615778

素因数分解:

$2^1\times 3^2\times {\mathrm{317}}^1\times {\mathrm{3613}}^1$

素因数の和:3938

約数の個数: 24

約数和(自身を含む): 44820828

約数和(自身を除く): 24205050

約数列:

[1, 2, 3, 6, 9, 18, 317, 634, 951, 1902, 2853, 3613, 5706, 7226, 10839, 21678, 32517, 65034, 1145321, 2290642, 3435963, 6871926, 10307889, 20615778]

約数ペア:

[(1, 20615778), (2, 10307889), (3, 6871926), (6, 3435963), (9, 2290642), (18, 1145321), (317, 65034), (634, 32517), (951, 21678), (1902, 10839), (2853, 7226), (3613, 5706)]