20145564

素因数分解:

$2^2\times 3^3\times {\mathrm{103}}^1\times {\mathrm{1811}}^1$

素因数の和:1927

約数の個数: 48

約数和(自身を含む): 52765440

約数和(自身を除く): 32619876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 103, 108, 206, 309, 412, 618, 927, 1236, 1811, 1854, 2781, 3622, 3708, 5433, 5562, 7244, 10866, 11124, 16299, 21732, 32598, 48897, 65196, 97794, 186533, 195588, 373066, 559599, 746132, 1119198, 1678797, 2238396, 3357594, 5036391, 6715188, 10072782, 20145564]

約数ペア:

[(1, 20145564), (2, 10072782), (3, 6715188), (4, 5036391), (6, 3357594), (9, 2238396), (12, 1678797), (18, 1119198), (27, 746132), (36, 559599), (54, 373066), (103, 195588), (108, 186533), (206, 97794), (309, 65196), (412, 48897), (618, 32598), (927, 21732), (1236, 16299), (1811, 11124), (1854, 10866), (2781, 7244), (3622, 5562), (3708, 5433)]