20414385

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3463}}^1$

素因数の和:3605

約数の個数: 24

約数和(自身を含む): 35665344

約数和(自身を除く): 15250959

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3463, 5895, 10389, 17315, 31167, 51945, 155835, 453653, 1360959, 2268265, 4082877, 6804795, 20414385]

約数ペア:

[(1, 20414385), (3, 6804795), (5, 4082877), (9, 2268265), (15, 1360959), (45, 453653), (131, 155835), (393, 51945), (655, 31167), (1179, 17315), (1965, 10389), (3463, 5895)]