20627475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2273}}^1$

素因数の和:2308

約数の個数: 36

約数和(自身を含む): 37502808

約数和(自身を除く): 16875333

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 2273, 3025, 6819, 9075, 11365, 25003, 34095, 56825, 75009, 125015, 170475, 275033, 375045, 625075, 825099, 1375165, 1875225, 4125495, 6875825, 20627475]

約数ペア:

[(1, 20627475), (3, 6875825), (5, 4125495), (11, 1875225), (15, 1375165), (25, 825099), (33, 625075), (55, 375045), (75, 275033), (121, 170475), (165, 125015), (275, 75009), (363, 56825), (605, 34095), (825, 25003), (1815, 11365), (2273, 9075), (3025, 6819)]