20723836

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3319}}^1$

素因数の和:3553

約数の個数: 24

約数和(自身を含む): 41646080

約数和(自身を除く): 20922244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 3319, 6244, 6638, 13276, 23233, 46466, 92932, 740137, 1480274, 2960548, 5180959, 10361918, 20723836]

約数ペア:

[(1, 20723836), (2, 10361918), (4, 5180959), (7, 2960548), (14, 1480274), (28, 740137), (223, 92932), (446, 46466), (892, 23233), (1561, 13276), (3122, 6638), (3319, 6244)]