20549776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3187}}^1$

素因数の和:3239

約数の個数: 40

約数和(自身を含む): 44274944

約数和(自身を除く): 23725168

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3187, 3224, 6374, 6448, 12748, 25496, 41431, 50992, 82862, 98797, 165724, 197594, 331448, 395188, 662896, 790376, 1284361, 1580752, 2568722, 5137444, 10274888, 20549776]

約数ペア:

[(1, 20549776), (2, 10274888), (4, 5137444), (8, 2568722), (13, 1580752), (16, 1284361), (26, 790376), (31, 662896), (52, 395188), (62, 331448), (104, 197594), (124, 165724), (208, 98797), (248, 82862), (403, 50992), (496, 41431), (806, 25496), (1612, 12748), (3187, 6448), (3224, 6374)]