20482245

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{1327}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 41433600

約数和(自身を除く): 20951355

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1327, 1715, 2205, 3087, 3981, 5145, 6635, 9289, 11943, 15435, 19905, 27867, 46445, 59715, 65023, 83601, 139335, 195069, 325115, 418005, 455161, 585207, 975345, 1365483, 2275805, 2926035, 4096449, 6827415, 20482245]

約数ペア:

[(1, 20482245), (3, 6827415), (5, 4096449), (7, 2926035), (9, 2275805), (15, 1365483), (21, 975345), (35, 585207), (45, 455161), (49, 418005), (63, 325115), (105, 195069), (147, 139335), (245, 83601), (315, 65023), (343, 59715), (441, 46445), (735, 27867), (1029, 19905), (1327, 15435), (1715, 11943), (2205, 9289), (3087, 6635), (3981, 5145)]