20966796

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2339}}^1$

素因数の和:2435

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 34070004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2241, 2339, 2988, 4482, 4678, 7017, 8964, 9356, 14034, 21051, 28068, 42102, 63153, 84204, 126306, 194137, 252612, 388274, 582411, 776548, 1164822, 1747233, 2329644, 3494466, 5241699, 6988932, 10483398, 20966796]

約数ペア:

[(1, 20966796), (2, 10483398), (3, 6988932), (4, 5241699), (6, 3494466), (9, 2329644), (12, 1747233), (18, 1164822), (27, 776548), (36, 582411), (54, 388274), (83, 252612), (108, 194137), (166, 126306), (249, 84204), (332, 63153), (498, 42102), (747, 28068), (996, 21051), (1494, 14034), (2241, 9356), (2339, 8964), (2988, 7017), (4482, 4678)]