20087987595

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:754

約数の個数: 128

約数和(自身を含む): 38182717440

約数和(自身を除く): 18094729845

約数列:

[1, 3, 5, 13, 15, 19, 23, 39, 57, 65, 69, 95, 115, 195, 247, 285, 299, 345, 361, 437, 653, 741, 897, 1083, 1235, 1311, 1495, 1805, 1959, 2185, 3265, 3705, 4485, 4693, 5415, 5681, 6555, 6859, 8303, 8489, 9795, 12407, 14079, 15019, 17043, 20577, 23465, 24909, 25467, 28405, 34295, 37221, 41515, 42445, 45057, 62035, 70395, 75095, 85215, 89167, 102885, 107939, 124545, 127335, 157757, 161291, 186105, 195247, 225285, 235733, 267501, 285361, 323817, 445835, 473271, 483873, 539695, 585741, 707199, 788785, 806455, 856083, 976235, 1178665, 1337505, 1426805, 1619085, 2050841, 2366355, 2419365, 2928705, 3064529, 3535995, 3709693, 4280415, 4478927, 5421859, 6152523, 9193587, 10254205, 11129079, 13436781, 15322645, 16265577, 18548465, 22394635, 27109295, 30762615, 45967935, 55645395, 58226051, 67183905, 70484167, 81327885, 103015321, 174678153, 211452501, 291130255, 309045963, 352420835, 515076605, 873390765, 1057262505, 1339199173, 1545229815, 4017597519, 6695995865, 20087987595]

約数ペア:

[(1, 20087987595), (3, 6695995865), (5, 4017597519), (13, 1545229815), (15, 1339199173), (19, 1057262505), (23, 873390765), (39, 515076605), (57, 352420835), (65, 309045963), (69, 291130255), (95, 211452501), (115, 174678153), (195, 103015321), (247, 81327885), (285, 70484167), (299, 67183905), (345, 58226051), (361, 55645395), (437, 45967935), (653, 30762615), (741, 27109295), (897, 22394635), (1083, 18548465), (1235, 16265577), (1311, 15322645), (1495, 13436781), (1805, 11129079), (1959, 10254205), (2185, 9193587), (3265, 6152523), (3705, 5421859), (4485, 4478927), (4693, 4280415), (5415, 3709693), (5681, 3535995), (6555, 3064529), (6859, 2928705), (8303, 2419365), (8489, 2366355), (9795, 2050841), (12407, 1619085), (14079, 1426805), (15019, 1337505), (17043, 1178665), (20577, 976235), (23465, 856083), (24909, 806455), (25467, 788785), (28405, 707199), (34295, 585741), (37221, 539695), (41515, 483873), (42445, 473271), (45057, 445835), (62035, 323817), (70395, 285361), (75095, 267501), (85215, 235733), (89167, 225285), (102885, 195247), (107939, 186105), (124545, 161291), (127335, 157757)]