20565586

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3727}}^1$

素因数の和:3849

約数の個数: 16

約数和(自身を含む): 32209920

約数和(自身を除く): 11644334

約数列:

[1, 2, 31, 62, 89, 178, 2759, 3727, 5518, 7454, 115537, 231074, 331703, 663406, 10282793, 20565586]

約数ペア:

[(1, 20565586), (2, 10282793), (31, 663406), (62, 331703), (89, 231074), (178, 115537), (2759, 7454), (3727, 5518)]