20515270

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5413}}^1$

素因数の和:5799

約数の個数: 16

約数和(自身を含む): 37031760

約数和(自身を除く): 16516490

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 5413, 10826, 27065, 54130, 2051527, 4103054, 10257635, 20515270]

約数ペア:

[(1, 20515270), (2, 10257635), (5, 4103054), (10, 2051527), (379, 54130), (758, 27065), (1895, 10826), (3790, 5413)]