20684808

素因数分解:

$2^3\times 3^4\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 58609980

約数和(自身を除く): 37925172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 137, 162, 216, 233, 274, 324, 411, 466, 548, 648, 699, 822, 932, 1096, 1233, 1398, 1644, 1864, 2097, 2466, 2796, 3288, 3699, 4194, 4932, 5592, 6291, 7398, 8388, 9864, 11097, 12582, 14796, 16776, 18873, 22194, 25164, 29592, 31921, 37746, 44388, 50328, 63842, 75492, 88776, 95763, 127684, 150984, 191526, 255368, 287289, 383052, 574578, 766104, 861867, 1149156, 1723734, 2298312, 2585601, 3447468, 5171202, 6894936, 10342404, 20684808]

約数ペア:

[(1, 20684808), (2, 10342404), (3, 6894936), (4, 5171202), (6, 3447468), (8, 2585601), (9, 2298312), (12, 1723734), (18, 1149156), (24, 861867), (27, 766104), (36, 574578), (54, 383052), (72, 287289), (81, 255368), (108, 191526), (137, 150984), (162, 127684), (216, 95763), (233, 88776), (274, 75492), (324, 63842), (411, 50328), (466, 44388), (548, 37746), (648, 31921), (699, 29592), (822, 25164), (932, 22194), (1096, 18873), (1233, 16776), (1398, 14796), (1644, 12582), (1864, 11097), (2097, 9864), (2466, 8388), (2796, 7398), (3288, 6291), (3699, 5592), (4194, 4932)]