20247561

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2243}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 31505760

約数和(自身を除く): 11258199

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 2243, 3009, 6729, 9027, 20187, 38131, 114393, 132337, 343179, 397011, 1191033, 2249729, 6749187, 20247561]

約数ペア:

[(1, 20247561), (3, 6749187), (9, 2249729), (17, 1191033), (51, 397011), (59, 343179), (153, 132337), (177, 114393), (531, 38131), (1003, 20187), (2243, 9027), (3009, 6729)]