20621205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41659}}^1$

素因数の和:41681

約数の個数: 24

約数和(自身を含む): 38993760

約数和(自身を除く): 18372555

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41659, 124977, 208295, 374931, 458249, 624885, 1374747, 1874655, 2291245, 4124241, 6873735, 20621205]

約数ペア:

[(1, 20621205), (3, 6873735), (5, 4124241), (9, 2291245), (11, 1874655), (15, 1374747), (33, 624885), (45, 458249), (55, 374931), (99, 208295), (165, 124977), (495, 41659)]