20776635

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 42716160

約数和(自身を除く): 21939525

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 765, 823, 935, 1485, 1683, 2295, 2469, 2805, 4115, 5049, 7407, 8415, 9053, 12345, 13991, 22221, 25245, 27159, 37035, 41973, 45265, 69955, 81477, 111105, 125919, 135795, 153901, 209865, 244431, 377757, 407385, 461703, 629595, 769505, 1222155, 1385109, 1888785, 2308515, 4155327, 6925545, 20776635]

約数ペア:

[(1, 20776635), (3, 6925545), (5, 4155327), (9, 2308515), (11, 1888785), (15, 1385109), (17, 1222155), (27, 769505), (33, 629595), (45, 461703), (51, 407385), (55, 377757), (85, 244431), (99, 209865), (135, 153901), (153, 135795), (165, 125919), (187, 111105), (255, 81477), (297, 69955), (459, 45265), (495, 41973), (561, 37035), (765, 27159), (823, 25245), (935, 22221), (1485, 13991), (1683, 12345), (2295, 9053), (2469, 8415), (2805, 7407), (4115, 5049)]