20122790

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4201}}^1$

素因数の和:4687

約数の個数: 16

約数和(自身を含む): 36305280

約数和(自身を除く): 16182490

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4201, 4790, 8402, 21005, 42010, 2012279, 4024558, 10061395, 20122790]

約数ペア:

[(1, 20122790), (2, 10061395), (5, 4024558), (10, 2012279), (479, 42010), (958, 21005), (2395, 8402), (4201, 4790)]