20723672

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3919}}^1$

素因数の和:4586

約数の個数: 16

約数和(自身を含む): 38925600

約数和(自身を除く): 18201928

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3919, 5288, 7838, 15676, 31352, 2590459, 5180918, 10361836, 20723672]

約数ペア:

[(1, 20723672), (2, 10361836), (4, 5180918), (8, 2590459), (661, 31352), (1322, 15676), (2644, 7838), (3919, 5288)]