20329155

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5867}}^1$

素因数の和:5896

約数の個数: 48

約数和(自身を含む): 43939584

約数和(自身を除く): 23610429

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5867, 17601, 29335, 41069, 52803, 64537, 88005, 123207, 193611, 205345, 264015, 322685, 369621, 451759, 580833, 616035, 968055, 1355277, 1848105, 2258795, 2904165, 4065831, 6776385, 20329155]

約数ペア:

[(1, 20329155), (3, 6776385), (5, 4065831), (7, 2904165), (9, 2258795), (11, 1848105), (15, 1355277), (21, 968055), (33, 616035), (35, 580833), (45, 451759), (55, 369621), (63, 322685), (77, 264015), (99, 205345), (105, 193611), (165, 123207), (231, 88005), (315, 64537), (385, 52803), (495, 41069), (693, 29335), (1155, 17601), (3465, 5867)]