20974426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6959}}^1$

素因数の和:7109

約数の個数: 16

約数和(自身を含む): 34577280

約数和(自身を除く): 13602854

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6959, 13918, 76549, 153098, 953383, 1906766, 10487213, 20974426]

約数ペア:

[(1, 20974426), (2, 10487213), (11, 1906766), (22, 953383), (137, 153098), (274, 76549), (1507, 13918), (3014, 6959)]