22372220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6619}}^1$

素因数の和:6654

約数の個数: 36

約数和(自身を含む): 50881320

約数和(自身を除く): 28509100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 6619, 13238, 26476, 33095, 66190, 86047, 132380, 172094, 344188, 430235, 860470, 1118611, 1720940, 2237222, 4474444, 5593055, 11186110, 22372220]

約数ペア:

[(1, 22372220), (2, 11186110), (4, 5593055), (5, 4474444), (10, 2237222), (13, 1720940), (20, 1118611), (26, 860470), (52, 430235), (65, 344188), (130, 172094), (169, 132380), (260, 86047), (338, 66190), (676, 33095), (845, 26476), (1690, 13238), (3380, 6619)]