20177444

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4421}}^1$

素因数の和:4595

約数の個数: 24

約数和(自身を含む): 40611648

約数和(自身を除く): 20434204

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4421, 4564, 8842, 17684, 30947, 61894, 123788, 720623, 1441246, 2882492, 5044361, 10088722, 20177444]

約数ペア:

[(1, 20177444), (2, 10088722), (4, 5044361), (7, 2882492), (14, 1441246), (28, 720623), (163, 123788), (326, 61894), (652, 30947), (1141, 17684), (2282, 8842), (4421, 4564)]