20713275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8369}}^1$

素因数の和:8396

約数の個数: 36

約数和(自身を含む): 40477320

約数和(自身を除く): 19764045

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8369, 25107, 41845, 75321, 92059, 125535, 209225, 276177, 376605, 460295, 627675, 828531, 1380885, 1883025, 2301475, 4142655, 6904425, 20713275]

約数ペア:

[(1, 20713275), (3, 6904425), (5, 4142655), (9, 2301475), (11, 1883025), (15, 1380885), (25, 828531), (33, 627675), (45, 460295), (55, 376605), (75, 276177), (99, 209225), (165, 125535), (225, 92059), (275, 75321), (495, 41845), (825, 25107), (2475, 8369)]