20157484810

素因数分解:

$2^1\times 5^1\times {\mathrm{3581}}^1\times {\mathrm{562901}}^1$

素因数の和:566489

約数の個数: 16

約数和(自身を含む): 36293669352

約数和(自身を除く): 16136184542

約数列:

[1, 2, 5, 10, 3581, 7162, 17905, 35810, 562901, 1125802, 2814505, 5629010, 2015748481, 4031496962, 10078742405, 20157484810]

約数ペア:

[(1, 20157484810), (2, 10078742405), (5, 4031496962), (10, 2015748481), (3581, 5629010), (7162, 2814505), (17905, 1125802), (35810, 562901)]