20444855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 27518400

約数和(自身を除く): 7073545

約数列:

[1, 5, 19, 29, 41, 95, 145, 181, 205, 551, 779, 905, 1189, 2755, 3439, 3895, 5249, 5945, 7421, 17195, 22591, 26245, 37105, 99731, 112955, 140999, 215209, 498655, 704995, 1076045, 4088971, 20444855]

約数ペア:

[(1, 20444855), (5, 4088971), (19, 1076045), (29, 704995), (41, 498655), (95, 215209), (145, 140999), (181, 112955), (205, 99731), (551, 37105), (779, 26245), (905, 22591), (1189, 17195), (2755, 7421), (3439, 5945), (3895, 5249)]