20184980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27277}}^1$

素因数の和:27323

約数の個数: 24

約数和(自身を含む): 43535688

約数和(自身を除く): 23350708

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27277, 54554, 109108, 136385, 272770, 545540, 1009249, 2018498, 4036996, 5046245, 10092490, 20184980]

約数ペア:

[(1, 20184980), (2, 10092490), (4, 5046245), (5, 4036996), (10, 2018498), (20, 1009249), (37, 545540), (74, 272770), (148, 136385), (185, 109108), (370, 54554), (740, 27277)]