20291535

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40993}}^1$

素因数の和:41015

約数の個数: 24

約数和(自身を含む): 38370384

約数和(自身を除く): 18078849

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40993, 122979, 204965, 368937, 450923, 614895, 1352769, 1844685, 2254615, 4058307, 6763845, 20291535]

約数ペア:

[(1, 20291535), (3, 6763845), (5, 4058307), (9, 2254615), (11, 1844685), (15, 1352769), (33, 614895), (45, 450923), (55, 368937), (99, 204965), (165, 122979), (495, 40993)]