20179918011

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1259}}^1\times {\mathrm{2543}}^1$

素因数の和:4007

約数の個数: 32

約数和(自身を含む): 29541335040

約数和(自身を除く): 9361417029

約数列:

[1, 3, 11, 33, 191, 573, 1259, 2101, 2543, 3777, 6303, 7629, 13849, 27973, 41547, 83919, 240469, 485713, 721407, 1457139, 2645159, 3201637, 5342843, 7935477, 9604911, 16028529, 35218007, 105654021, 611512667, 1834538001, 6726639337, 20179918011]

約数ペア:

[(1, 20179918011), (3, 6726639337), (11, 1834538001), (33, 611512667), (191, 105654021), (573, 35218007), (1259, 16028529), (2101, 9604911), (2543, 7935477), (3777, 5342843), (6303, 3201637), (7629, 2645159), (13849, 1457139), (27973, 721407), (41547, 485713), (83919, 240469)]