20035520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 32633920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 127, 136, 145, 160, 170, 232, 254, 272, 290, 320, 340, 464, 493, 508, 544, 580, 635, 680, 928, 986, 1016, 1088, 1160, 1270, 1360, 1856, 1972, 2032, 2159, 2320, 2465, 2540, 2720, 3683, 3944, 4064, 4318, 4640, 4930, 5080, 5440, 7366, 7888, 8128, 8636, 9280, 9860, 10160, 10795, 14732, 15776, 17272, 18415, 19720, 20320, 21590, 29464, 31552, 34544, 36830, 39440, 40640, 43180, 58928, 62611, 69088, 73660, 78880, 86360, 117856, 125222, 138176, 147320, 157760, 172720, 235712, 250444, 294640, 313055, 345440, 500888, 589280, 626110, 690880, 1001776, 1178560, 1252220, 2003552, 2504440, 4007104, 5008880, 10017760, 20035520]

約数ペア:

[(1, 20035520), (2, 10017760), (4, 5008880), (5, 4007104), (8, 2504440), (10, 2003552), (16, 1252220), (17, 1178560), (20, 1001776), (29, 690880), (32, 626110), (34, 589280), (40, 500888), (58, 345440), (64, 313055), (68, 294640), (80, 250444), (85, 235712), (116, 172720), (127, 157760), (136, 147320), (145, 138176), (160, 125222), (170, 117856), (232, 86360), (254, 78880), (272, 73660), (290, 69088), (320, 62611), (340, 58928), (464, 43180), (493, 40640), (508, 39440), (544, 36830), (580, 34544), (635, 31552), (680, 29464), (928, 21590), (986, 20320), (1016, 19720), (1088, 18415), (1160, 17272), (1270, 15776), (1360, 14732), (1856, 10795), (1972, 10160), (2032, 9860), (2159, 9280), (2320, 8636), (2465, 8128), (2540, 7888), (2720, 7366), (3683, 5440), (3944, 5080), (4064, 4930), (4318, 4640)]