20306264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 43956000

約数和(自身を除く): 23649736

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 73, 88, 109, 116, 146, 218, 232, 292, 319, 436, 584, 638, 803, 872, 1199, 1276, 1606, 2117, 2398, 2552, 3161, 3212, 4234, 4796, 6322, 6424, 7957, 8468, 9592, 12644, 15914, 16936, 23287, 25288, 31828, 34771, 46574, 63656, 69542, 87527, 93148, 139084, 175054, 186296, 230753, 278168, 350108, 461506, 700216, 923012, 1846024, 2538283, 5076566, 10153132, 20306264]

約数ペア:

[(1, 20306264), (2, 10153132), (4, 5076566), (8, 2538283), (11, 1846024), (22, 923012), (29, 700216), (44, 461506), (58, 350108), (73, 278168), (88, 230753), (109, 186296), (116, 175054), (146, 139084), (218, 93148), (232, 87527), (292, 69542), (319, 63656), (436, 46574), (584, 34771), (638, 31828), (803, 25288), (872, 23287), (1199, 16936), (1276, 15914), (1606, 12644), (2117, 9592), (2398, 8468), (2552, 7957), (3161, 6424), (3212, 6322), (4234, 4796)]