20311368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 45352632

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 29, 33, 42, 44, 56, 58, 66, 77, 84, 87, 88, 116, 132, 154, 168, 174, 203, 231, 232, 264, 308, 319, 348, 379, 406, 462, 609, 616, 638, 696, 758, 812, 924, 957, 1137, 1218, 1276, 1516, 1624, 1848, 1914, 2233, 2274, 2436, 2552, 2653, 3032, 3828, 4169, 4466, 4548, 4872, 5306, 6699, 7656, 7959, 8338, 8932, 9096, 10612, 10991, 12507, 13398, 15918, 16676, 17864, 21224, 21982, 25014, 26796, 29183, 31836, 32973, 33352, 43964, 50028, 53592, 58366, 63672, 65946, 76937, 87549, 87928, 100056, 116732, 120901, 131892, 153874, 175098, 230811, 233464, 241802, 263784, 307748, 350196, 362703, 461622, 483604, 615496, 700392, 725406, 846307, 923244, 967208, 1450812, 1692614, 1846488, 2538921, 2901624, 3385228, 5077842, 6770456, 10155684, 20311368]

約数ペア:

[(1, 20311368), (2, 10155684), (3, 6770456), (4, 5077842), (6, 3385228), (7, 2901624), (8, 2538921), (11, 1846488), (12, 1692614), (14, 1450812), (21, 967208), (22, 923244), (24, 846307), (28, 725406), (29, 700392), (33, 615496), (42, 483604), (44, 461622), (56, 362703), (58, 350196), (66, 307748), (77, 263784), (84, 241802), (87, 233464), (88, 230811), (116, 175098), (132, 153874), (154, 131892), (168, 120901), (174, 116732), (203, 100056), (231, 87928), (232, 87549), (264, 76937), (308, 65946), (319, 63672), (348, 58366), (379, 53592), (406, 50028), (462, 43964), (609, 33352), (616, 32973), (638, 31836), (696, 29183), (758, 26796), (812, 25014), (924, 21982), (957, 21224), (1137, 17864), (1218, 16676), (1276, 15918), (1516, 13398), (1624, 12507), (1848, 10991), (1914, 10612), (2233, 9096), (2274, 8932), (2436, 8338), (2552, 7959), (2653, 7656), (3032, 6699), (3828, 5306), (4169, 4872), (4466, 4548)]