20874855

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20771}}^1$

素因数の和:20846

約数の個数: 16

約数和(自身を含む): 33899904

約数和(自身を除く): 13025049

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 20771, 62313, 103855, 311565, 1391657, 4174971, 6958285, 20874855]

約数ペア:

[(1, 20874855), (3, 6958285), (5, 4174971), (15, 1391657), (67, 311565), (201, 103855), (335, 62313), (1005, 20771)]