20597493

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 32953600

約数和(自身を除く): 12356107

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 541, 777, 1029, 1623, 1813, 3787, 5439, 11361, 12691, 20017, 26509, 38073, 60051, 79527, 140119, 185563, 420357, 556689, 980833, 2942499, 6865831, 20597493]

約数ペア:

[(1, 20597493), (3, 6865831), (7, 2942499), (21, 980833), (37, 556689), (49, 420357), (111, 185563), (147, 140119), (259, 79527), (343, 60051), (541, 38073), (777, 26509), (1029, 20017), (1623, 12691), (1813, 11361), (3787, 5439)]