20514555

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11119}}^1$

素因数の和:11171

約数の個数: 24

約数和(自身を含む): 36429120

約数和(自身を除く): 15914565

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11119, 33357, 55595, 100071, 166785, 455879, 500355, 1367637, 2279395, 4102911, 6838185, 20514555]

約数ペア:

[(1, 20514555), (3, 6838185), (5, 4102911), (9, 2279395), (15, 1367637), (41, 500355), (45, 455879), (123, 166785), (205, 100071), (369, 55595), (615, 33357), (1845, 11119)]