20513322

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1627

約数の個数: 48

約数和(自身を含む): 48185280

約数和(自身を除く): 27671958

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 102, 129, 153, 258, 306, 387, 731, 774, 1462, 1559, 2193, 3118, 4386, 4677, 6579, 9354, 13158, 14031, 26503, 28062, 53006, 67037, 79509, 134074, 159018, 201111, 238527, 402222, 477054, 603333, 1139629, 1206666, 2279258, 3418887, 6837774, 10256661, 20513322]

約数ペア:

[(1, 20513322), (2, 10256661), (3, 6837774), (6, 3418887), (9, 2279258), (17, 1206666), (18, 1139629), (34, 603333), (43, 477054), (51, 402222), (86, 238527), (102, 201111), (129, 159018), (153, 134074), (258, 79509), (306, 67037), (387, 53006), (731, 28062), (774, 26503), (1462, 14031), (1559, 13158), (2193, 9354), (3118, 6579), (4386, 4677)]