20632604

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16623076

約数列:

[1, 2, 4, 43, 86, 139, 172, 278, 556, 863, 1726, 3452, 5977, 11954, 23908, 37109, 74218, 119957, 148436, 239914, 479828, 5158151, 10316302, 20632604]

約数ペア:

[(1, 20632604), (2, 10316302), (4, 5158151), (43, 479828), (86, 239914), (139, 148436), (172, 119957), (278, 74218), (556, 37109), (863, 23908), (1726, 11954), (3452, 5977)]