20173981639

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 24968736000

約数和(自身を除く): 4794754361

約数列:

[1, 7, 37, 49, 53, 89, 259, 337, 343, 371, 623, 1813, 1961, 2359, 2597, 3293, 4361, 4717, 12469, 12691, 13727, 16513, 17861, 18179, 23051, 29993, 30527, 33019, 87283, 96089, 115591, 125027, 161357, 174529, 209951, 231133, 610981, 660857, 672623, 875189, 1109741, 1129499, 1221703, 1469657, 1589629, 1617931, 4276867, 4625999, 6126323, 7768187, 8551921, 10287599, 11127403, 32381993, 54377309, 58816273, 59863447, 77891821, 226673951, 380641163, 411713911, 545242747, 2881997377, 20173981639]

約数ペア:

[(1, 20173981639), (7, 2881997377), (37, 545242747), (49, 411713911), (53, 380641163), (89, 226673951), (259, 77891821), (337, 59863447), (343, 58816273), (371, 54377309), (623, 32381993), (1813, 11127403), (1961, 10287599), (2359, 8551921), (2597, 7768187), (3293, 6126323), (4361, 4625999), (4717, 4276867), (12469, 1617931), (12691, 1589629), (13727, 1469657), (16513, 1221703), (17861, 1129499), (18179, 1109741), (23051, 875189), (29993, 672623), (30527, 660857), (33019, 610981), (87283, 231133), (96089, 209951), (115591, 174529), (125027, 161357)]