20172975543

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1676471}}^1$

素因数の和:1676675

約数の個数: 24

約数和(自身を含む): 33475792896

約数和(自身を除く): 13302817353

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 4011, 12033, 1676471, 5029413, 11735297, 15088239, 35205891, 105617673, 320205961, 960617883, 2241441727, 2881853649, 6724325181, 20172975543]

約数ペア:

[(1, 20172975543), (3, 6724325181), (7, 2881853649), (9, 2241441727), (21, 960617883), (63, 320205961), (191, 105617673), (573, 35205891), (1337, 15088239), (1719, 11735297), (4011, 5029413), (12033, 1676471)]