16444220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63247}}^1$

素因数の和:63269

約数の個数: 24

約数和(自身を含む): 37189824

約数和(自身を除く): 20745604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63247, 126494, 252988, 316235, 632470, 822211, 1264940, 1644422, 3288844, 4111055, 8222110, 16444220]

約数ペア:

[(1, 16444220), (2, 8222110), (4, 4111055), (5, 3288844), (10, 1644422), (13, 1264940), (20, 822211), (26, 632470), (52, 316235), (65, 252988), (130, 126494), (260, 63247)]