20264640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 224

約数和(自身を含む): 74615040

約数和(自身を除く): 54350400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 80, 88, 95, 96, 101, 110, 114, 120, 132, 152, 160, 165, 176, 190, 192, 202, 209, 220, 228, 240, 264, 285, 303, 304, 320, 330, 352, 380, 404, 418, 440, 456, 480, 505, 528, 570, 606, 608, 627, 660, 704, 760, 808, 836, 880, 912, 960, 1010, 1045, 1056, 1111, 1140, 1212, 1216, 1254, 1320, 1515, 1520, 1616, 1672, 1760, 1824, 1919, 2020, 2090, 2112, 2222, 2280, 2424, 2508, 2640, 3030, 3040, 3135, 3232, 3333, 3344, 3520, 3648, 3838, 4040, 4180, 4444, 4560, 4848, 5016, 5280, 5555, 5757, 6060, 6080, 6270, 6464, 6666, 6688, 7676, 8080, 8360, 8888, 9120, 9595, 9696, 10032, 10560, 11110, 11514, 12120, 12540, 13332, 13376, 15352, 16160, 16665, 16720, 17776, 18240, 19190, 19392, 20064, 21109, 22220, 23028, 24240, 25080, 26664, 28785, 30704, 32320, 33330, 33440, 35552, 38380, 40128, 42218, 44440, 46056, 48480, 50160, 53328, 57570, 61408, 63327, 66660, 66880, 71104, 76760, 84436, 88880, 92112, 96960, 100320, 105545, 106656, 115140, 122816, 126654, 133320, 153520, 168872, 177760, 184224, 200640, 211090, 213312, 230280, 253308, 266640, 307040, 316635, 337744, 355520, 368448, 422180, 460560, 506616, 533280, 614080, 633270, 675488, 844360, 921120, 1013232, 1066560, 1266540, 1350976, 1688720, 1842240, 2026464, 2533080, 3377440, 4052928, 5066160, 6754880, 10132320, 20264640]

約数ペア:

[(1, 20264640), (2, 10132320), (3, 6754880), (4, 5066160), (5, 4052928), (6, 3377440), (8, 2533080), (10, 2026464), (11, 1842240), (12, 1688720), (15, 1350976), (16, 1266540), (19, 1066560), (20, 1013232), (22, 921120), (24, 844360), (30, 675488), (32, 633270), (33, 614080), (38, 533280), (40, 506616), (44, 460560), (48, 422180), (55, 368448), (57, 355520), (60, 337744), (64, 316635), (66, 307040), (76, 266640), (80, 253308), (88, 230280), (95, 213312), (96, 211090), (101, 200640), (110, 184224), (114, 177760), (120, 168872), (132, 153520), (152, 133320), (160, 126654), (165, 122816), (176, 115140), (190, 106656), (192, 105545), (202, 100320), (209, 96960), (220, 92112), (228, 88880), (240, 84436), (264, 76760), (285, 71104), (303, 66880), (304, 66660), (320, 63327), (330, 61408), (352, 57570), (380, 53328), (404, 50160), (418, 48480), (440, 46056), (456, 44440), (480, 42218), (505, 40128), (528, 38380), (570, 35552), (606, 33440), (608, 33330), (627, 32320), (660, 30704), (704, 28785), (760, 26664), (808, 25080), (836, 24240), (880, 23028), (912, 22220), (960, 21109), (1010, 20064), (1045, 19392), (1056, 19190), (1111, 18240), (1140, 17776), (1212, 16720), (1216, 16665), (1254, 16160), (1320, 15352), (1515, 13376), (1520, 13332), (1616, 12540), (1672, 12120), (1760, 11514), (1824, 11110), (1919, 10560), (2020, 10032), (2090, 9696), (2112, 9595), (2222, 9120), (2280, 8888), (2424, 8360), (2508, 8080), (2640, 7676), (3030, 6688), (3040, 6666), (3135, 6464), (3232, 6270), (3333, 6080), (3344, 6060), (3520, 5757), (3648, 5555), (3838, 5280), (4040, 5016), (4180, 4848), (4444, 4560)]