20818368

素因数分解:

$2^6\times 3^2\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:834

約数の個数: 84

約数和(自身を含む): 61020960

約数和(自身を除く): 40202592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 64, 72, 94, 96, 141, 144, 188, 192, 282, 288, 376, 423, 564, 576, 752, 769, 846, 1128, 1504, 1538, 1692, 2256, 2307, 3008, 3076, 3384, 4512, 4614, 6152, 6768, 6921, 9024, 9228, 12304, 13536, 13842, 18456, 24608, 27072, 27684, 36143, 36912, 49216, 55368, 72286, 73824, 108429, 110736, 144572, 147648, 216858, 221472, 289144, 325287, 433716, 442944, 578288, 650574, 867432, 1156576, 1301148, 1734864, 2313152, 2602296, 3469728, 5204592, 6939456, 10409184, 20818368]

約数ペア:

[(1, 20818368), (2, 10409184), (3, 6939456), (4, 5204592), (6, 3469728), (8, 2602296), (9, 2313152), (12, 1734864), (16, 1301148), (18, 1156576), (24, 867432), (32, 650574), (36, 578288), (47, 442944), (48, 433716), (64, 325287), (72, 289144), (94, 221472), (96, 216858), (141, 147648), (144, 144572), (188, 110736), (192, 108429), (282, 73824), (288, 72286), (376, 55368), (423, 49216), (564, 36912), (576, 36143), (752, 27684), (769, 27072), (846, 24608), (1128, 18456), (1504, 13842), (1538, 13536), (1692, 12304), (2256, 9228), (2307, 9024), (3008, 6921), (3076, 6768), (3384, 6152), (4512, 4614)]