20184087

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 16311273

約数列:

[1, 3, 7, 11, 21, 23, 29, 33, 69, 77, 87, 131, 161, 203, 231, 253, 319, 393, 483, 609, 667, 759, 917, 957, 1441, 1771, 2001, 2233, 2751, 3013, 3799, 4323, 4669, 5313, 6699, 7337, 9039, 10087, 11397, 14007, 21091, 22011, 26593, 30261, 33143, 41789, 51359, 63273, 79779, 87377, 99429, 125367, 154077, 232001, 262131, 292523, 611639, 696003, 877569, 961147, 1834917, 2883441, 6728029, 20184087]

約数ペア:

[(1, 20184087), (3, 6728029), (7, 2883441), (11, 1834917), (21, 961147), (23, 877569), (29, 696003), (33, 611639), (69, 292523), (77, 262131), (87, 232001), (131, 154077), (161, 125367), (203, 99429), (231, 87377), (253, 79779), (319, 63273), (393, 51359), (483, 41789), (609, 33143), (667, 30261), (759, 26593), (917, 22011), (957, 21091), (1441, 14007), (1771, 11397), (2001, 10087), (2233, 9039), (2751, 7337), (3013, 6699), (3799, 5313), (4323, 4669)]