20750312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 24350488

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 47, 58, 88, 94, 116, 173, 188, 232, 319, 346, 376, 517, 638, 692, 1034, 1276, 1363, 1384, 1903, 2068, 2552, 2726, 3806, 4136, 5017, 5452, 7612, 8131, 10034, 10904, 14993, 15224, 16262, 20068, 29986, 32524, 40136, 55187, 59972, 65048, 89441, 110374, 119944, 178882, 220748, 235799, 357764, 441496, 471598, 715528, 943196, 1886392, 2593789, 5187578, 10375156, 20750312]

約数ペア:

[(1, 20750312), (2, 10375156), (4, 5187578), (8, 2593789), (11, 1886392), (22, 943196), (29, 715528), (44, 471598), (47, 441496), (58, 357764), (88, 235799), (94, 220748), (116, 178882), (173, 119944), (188, 110374), (232, 89441), (319, 65048), (346, 59972), (376, 55187), (517, 40136), (638, 32524), (692, 29986), (1034, 20068), (1276, 16262), (1363, 15224), (1384, 14993), (1903, 10904), (2068, 10034), (2552, 8131), (2726, 7612), (3806, 5452), (4136, 5017)]