20229748720

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1193}}^1\times {\mathrm{1669}}^1$

素因数の和:3002

約数の個数: 80

約数和(自身を含む): 47472675840

約数和(自身を除く): 27242927120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1193, 1270, 1669, 2032, 2386, 2540, 3338, 4772, 5080, 5965, 6676, 8345, 9544, 10160, 11930, 13352, 16690, 19088, 23860, 26704, 33380, 47720, 66760, 95440, 133520, 151511, 211963, 303022, 423926, 606044, 757555, 847852, 1059815, 1212088, 1515110, 1695704, 1991117, 2119630, 2424176, 3030220, 3391408, 3982234, 4239260, 6060440, 7964468, 8478520, 9955585, 12120880, 15928936, 16957040, 19911170, 31857872, 39822340, 79644680, 159289360, 252871859, 505743718, 1011487436, 1264359295, 2022974872, 2528718590, 4045949744, 5057437180, 10114874360, 20229748720]

約数ペア:

[(1, 20229748720), (2, 10114874360), (4, 5057437180), (5, 4045949744), (8, 2528718590), (10, 2022974872), (16, 1264359295), (20, 1011487436), (40, 505743718), (80, 252871859), (127, 159289360), (254, 79644680), (508, 39822340), (635, 31857872), (1016, 19911170), (1193, 16957040), (1270, 15928936), (1669, 12120880), (2032, 9955585), (2386, 8478520), (2540, 7964468), (3338, 6060440), (4772, 4239260), (5080, 3982234), (5965, 3391408), (6676, 3030220), (8345, 2424176), (9544, 2119630), (10160, 1991117), (11930, 1695704), (13352, 1515110), (16690, 1212088), (19088, 1059815), (23860, 847852), (26704, 757555), (33380, 606044), (47720, 423926), (66760, 303022), (95440, 211963), (133520, 151511)]