20662728

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 54993600

約数和(自身を除く): 34330872

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 113, 114, 152, 226, 228, 339, 401, 452, 456, 678, 802, 904, 1203, 1356, 1604, 2147, 2406, 2712, 3208, 4294, 4812, 6441, 7619, 8588, 9624, 12882, 15238, 17176, 22857, 25764, 30476, 45313, 45714, 51528, 60952, 90626, 91428, 135939, 181252, 182856, 271878, 362504, 543756, 860947, 1087512, 1721894, 2582841, 3443788, 5165682, 6887576, 10331364, 20662728]

約数ペア:

[(1, 20662728), (2, 10331364), (3, 6887576), (4, 5165682), (6, 3443788), (8, 2582841), (12, 1721894), (19, 1087512), (24, 860947), (38, 543756), (57, 362504), (76, 271878), (113, 182856), (114, 181252), (152, 135939), (226, 91428), (228, 90626), (339, 60952), (401, 51528), (452, 45714), (456, 45313), (678, 30476), (802, 25764), (904, 22857), (1203, 17176), (1356, 15238), (1604, 12882), (2147, 9624), (2406, 8588), (2712, 7619), (3208, 6441), (4294, 4812)]