20016315

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4493}}^1$

素因数の和:4521

約数の個数: 40

約数和(自身を含む): 39151728

約数和(自身を除く): 19135413

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4493, 13479, 22465, 40437, 49423, 67395, 121311, 148269, 202185, 247115, 363933, 444807, 606555, 741345, 1334421, 1819665, 2224035, 4003263, 6672105, 20016315]

約数ペア:

[(1, 20016315), (3, 6672105), (5, 4003263), (9, 2224035), (11, 1819665), (15, 1334421), (27, 741345), (33, 606555), (45, 444807), (55, 363933), (81, 247115), (99, 202185), (135, 148269), (165, 121311), (297, 67395), (405, 49423), (495, 40437), (891, 22465), (1485, 13479), (4455, 4493)]