20767780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94399}}^1$

素因数の和:94419

約数の個数: 24

約数和(自身を含む): 47577600

約数和(自身を除く): 26809820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94399, 188798, 377596, 471995, 943990, 1038389, 1887980, 2076778, 4153556, 5191945, 10383890, 20767780]

約数ペア:

[(1, 20767780), (2, 10383890), (4, 5191945), (5, 4153556), (10, 2076778), (11, 1887980), (20, 1038389), (22, 943990), (44, 471995), (55, 377596), (110, 188798), (220, 94399)]