20256885

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4547}}^1$

素因数の和:4575

約数の個数: 40

約数和(自身を含む): 39622176

約数和(自身を除く): 19365291

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4547, 13641, 22735, 40923, 50017, 68205, 122769, 150051, 204615, 250085, 368307, 450153, 613845, 750255, 1350459, 1841535, 2250765, 4051377, 6752295, 20256885]

約数ペア:

[(1, 20256885), (3, 6752295), (5, 4051377), (9, 2250765), (11, 1841535), (15, 1350459), (27, 750255), (33, 613845), (45, 450153), (55, 368307), (81, 250085), (99, 204615), (135, 150051), (165, 122769), (297, 68205), (405, 50017), (495, 40923), (891, 22735), (1485, 13641), (4455, 4547)]