20672164

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3877}}^1$

素因数の和:3955

約数の個数: 24

約数和(自身を含む): 38221568

約数和(自身を除く): 17549404

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 1333, 2666, 3877, 5332, 7754, 15508, 120187, 166711, 240374, 333422, 480748, 666844, 5168041, 10336082, 20672164]

約数ペア:

[(1, 20672164), (2, 10336082), (4, 5168041), (31, 666844), (43, 480748), (62, 333422), (86, 240374), (124, 166711), (172, 120187), (1333, 15508), (2666, 7754), (3877, 5332)]