20680248

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 54806400

約数和(自身を除く): 34126152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 43, 58, 86, 87, 116, 129, 172, 174, 232, 258, 344, 348, 516, 691, 696, 1032, 1247, 1382, 2073, 2494, 2764, 3741, 4146, 4988, 5528, 7482, 8292, 9976, 14964, 16584, 20039, 29713, 29928, 40078, 59426, 60117, 80156, 89139, 118852, 120234, 160312, 178278, 237704, 240468, 356556, 480936, 713112, 861677, 1723354, 2585031, 3446708, 5170062, 6893416, 10340124, 20680248]

約数ペア:

[(1, 20680248), (2, 10340124), (3, 6893416), (4, 5170062), (6, 3446708), (8, 2585031), (12, 1723354), (24, 861677), (29, 713112), (43, 480936), (58, 356556), (86, 240468), (87, 237704), (116, 178278), (129, 160312), (172, 120234), (174, 118852), (232, 89139), (258, 80156), (344, 60117), (348, 59426), (516, 40078), (691, 29928), (696, 29713), (1032, 20039), (1247, 16584), (1382, 14964), (2073, 9976), (2494, 8292), (2764, 7482), (3741, 5528), (4146, 4988)]