2021984845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{7681}}^1$

素因数の和:7885

約数の個数: 32

約数和(自身を含む): 2721271680

約数和(自身を除く): 699286835

約数列:

[1, 5, 17, 19, 85, 95, 163, 323, 815, 1615, 2771, 3097, 7681, 13855, 15485, 38405, 52649, 130577, 145939, 263245, 652885, 729695, 1252003, 2480963, 6260015, 12404815, 21284051, 23788057, 106420255, 118940285, 404396969, 2021984845]

約数ペア:

[(1, 2021984845), (5, 404396969), (17, 118940285), (19, 106420255), (85, 23788057), (95, 21284051), (163, 12404815), (323, 6260015), (815, 2480963), (1615, 1252003), (2771, 729695), (3097, 652885), (7681, 263245), (13855, 145939), (15485, 130577), (38405, 52649)]