20379808

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21961}}^1$

素因数の和:22000

約数の個数: 24

約数和(自身を含む): 41508180

約数和(自身を除く): 21128372

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21961, 43922, 87844, 175688, 351376, 636869, 702752, 1273738, 2547476, 5094952, 10189904, 20379808]

約数ペア:

[(1, 20379808), (2, 10189904), (4, 5094952), (8, 2547476), (16, 1273738), (29, 702752), (32, 636869), (58, 351376), (116, 175688), (232, 87844), (464, 43922), (928, 21961)]