20180867847

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6869}}^1\times {\mathrm{4513}}^1$

素因数の和:11423

約数の個数: 32

約数和(自身を含む): 31755448320

約数和(自身を除く): 11574580473

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 4513, 6869, 13539, 20607, 31591, 48083, 94773, 139903, 144249, 212939, 419709, 638817, 979321, 1490573, 2937963, 4471719, 30999797, 92999391, 216998579, 650995737, 960993707, 2882981121, 6726955949, 20180867847]

約数ペア:

[(1, 20180867847), (3, 6726955949), (7, 2882981121), (21, 960993707), (31, 650995737), (93, 216998579), (217, 92999391), (651, 30999797), (4513, 4471719), (6869, 2937963), (13539, 1490573), (20607, 979321), (31591, 638817), (48083, 419709), (94773, 212939), (139903, 144249)]