20598876

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1399}}^1$

素因数の和:1818

約数の個数: 36

約数和(自身を含む): 52234000

約数和(自身を除く): 31635124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1399, 1636, 2454, 2798, 3681, 4197, 4908, 5596, 7362, 8394, 12591, 14724, 16788, 25182, 50364, 572191, 1144382, 1716573, 2288764, 3433146, 5149719, 6866292, 10299438, 20598876]

約数ペア:

[(1, 20598876), (2, 10299438), (3, 6866292), (4, 5149719), (6, 3433146), (9, 2288764), (12, 1716573), (18, 1144382), (36, 572191), (409, 50364), (818, 25182), (1227, 16788), (1399, 14724), (1636, 12591), (2454, 8394), (2798, 7362), (3681, 5596), (4197, 4908)]