20395265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 29116800

約数和(自身を除く): 8721535

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 673, 1045, 1595, 2755, 3365, 6061, 7403, 12787, 19517, 30305, 37015, 63935, 97585, 140657, 214687, 370823, 703285, 1073435, 1854115, 4079053, 20395265]

約数ペア:

[(1, 20395265), (5, 4079053), (11, 1854115), (19, 1073435), (29, 703285), (55, 370823), (95, 214687), (145, 140657), (209, 97585), (319, 63935), (551, 37015), (673, 30305), (1045, 19517), (1595, 12787), (2755, 7403), (3365, 6061)]