20015172

素因数分解:

$2^2\times 3^2\times {\mathrm{307}}^1\times {\mathrm{1811}}^1$

素因数の和:2128

約数の個数: 36

約数和(自身を含む): 50786736

約数和(自身を除く): 30771564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 307, 614, 921, 1228, 1811, 1842, 2763, 3622, 3684, 5433, 5526, 7244, 10866, 11052, 16299, 21732, 32598, 65196, 555977, 1111954, 1667931, 2223908, 3335862, 5003793, 6671724, 10007586, 20015172]

約数ペア:

[(1, 20015172), (2, 10007586), (3, 6671724), (4, 5003793), (6, 3335862), (9, 2223908), (12, 1667931), (18, 1111954), (36, 555977), (307, 65196), (614, 32598), (921, 21732), (1228, 16299), (1811, 11052), (1842, 10866), (2763, 7244), (3622, 5526), (3684, 5433)]