20195811

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{1493}}^1$

素因数の和:1672

約数の個数: 20

約数和(自身を含む): 30370032

約数和(自身を除く): 10174221

約数列:

[1, 3, 9, 27, 81, 167, 501, 1493, 1503, 4479, 4509, 13437, 13527, 40311, 120933, 249331, 747993, 2243979, 6731937, 20195811]

約数ペア:

[(1, 20195811), (3, 6731937), (9, 2243979), (27, 747993), (81, 249331), (167, 120933), (501, 40311), (1493, 13527), (1503, 13437), (4479, 4509)]