20431548

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5113}}^1$

素因数の和:5163

約数の個数: 48

約数和(自身を含む): 54412960

約数和(自身を除く): 33981412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5113, 10226, 15339, 20452, 30678, 46017, 61356, 92034, 138051, 184068, 189181, 276102, 378362, 552204, 567543, 756724, 1135086, 1702629, 2270172, 3405258, 5107887, 6810516, 10215774, 20431548]

約数ペア:

[(1, 20431548), (2, 10215774), (3, 6810516), (4, 5107887), (6, 3405258), (9, 2270172), (12, 1702629), (18, 1135086), (27, 756724), (36, 567543), (37, 552204), (54, 378362), (74, 276102), (108, 189181), (111, 184068), (148, 138051), (222, 92034), (333, 61356), (444, 46017), (666, 30678), (999, 20452), (1332, 15339), (1998, 10226), (3996, 5113)]