20642508

素因数分解:

$2^2\times 3^2\times {\mathrm{193}}^1\times {\mathrm{2971}}^1$

素因数の和:3174

約数の個数: 36

約数和(自身を含む): 52467688

約数和(自身を除く): 31825180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 193, 386, 579, 772, 1158, 1737, 2316, 2971, 3474, 5942, 6948, 8913, 11884, 17826, 26739, 35652, 53478, 106956, 573403, 1146806, 1720209, 2293612, 3440418, 5160627, 6880836, 10321254, 20642508]

約数ペア:

[(1, 20642508), (2, 10321254), (3, 6880836), (4, 5160627), (6, 3440418), (9, 2293612), (12, 1720209), (18, 1146806), (36, 573403), (193, 106956), (386, 53478), (579, 35652), (772, 26739), (1158, 17826), (1737, 11884), (2316, 8913), (2971, 6948), (3474, 5942)]