20214540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112303}}^1$

素因数の和:112318

約数の個数: 36

約数和(自身を含む): 61317984

約数和(自身を除く): 41103444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112303, 224606, 336909, 449212, 561515, 673818, 1010727, 1123030, 1347636, 1684545, 2021454, 2246060, 3369090, 4042908, 5053635, 6738180, 10107270, 20214540]

約数ペア:

[(1, 20214540), (2, 10107270), (3, 6738180), (4, 5053635), (5, 4042908), (6, 3369090), (9, 2246060), (10, 2021454), (12, 1684545), (15, 1347636), (18, 1123030), (20, 1010727), (30, 673818), (36, 561515), (45, 449212), (60, 336909), (90, 224606), (180, 112303)]