20576486640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1\times {\mathrm{2803}}^1$

素因数の和:3311

約数の個数: 160

約数和(自身を含む): 64838350080

約数和(自身を除く): 44261863440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 419, 438, 584, 730, 838, 876, 1095, 1168, 1257, 1460, 1676, 1752, 2095, 2190, 2514, 2803, 2920, 3352, 3504, 4190, 4380, 5028, 5606, 5840, 6285, 6704, 8380, 8409, 8760, 10056, 11212, 12570, 14015, 16760, 16818, 17520, 20112, 22424, 25140, 28030, 30587, 33520, 33636, 42045, 44848, 50280, 56060, 61174, 67272, 84090, 91761, 100560, 112120, 122348, 134544, 152935, 168180, 183522, 204619, 224240, 244696, 305870, 336360, 367044, 409238, 458805, 489392, 611740, 613857, 672720, 734088, 818476, 917610, 1023095, 1174457, 1223480, 1227714, 1468176, 1636952, 1835220, 2046190, 2348914, 2446960, 2455428, 3069285, 3273904, 3523371, 3670440, 4092380, 4697828, 4910856, 5872285, 6138570, 7046742, 7340880, 8184760, 9395656, 9821712, 11744570, 12277140, 14093484, 16369520, 17616855, 18791312, 23489140, 24554280, 28186968, 35233710, 46978280, 49108560, 56373936, 70467420, 85735361, 93956560, 140934840, 171470722, 257206083, 281869680, 342941444, 428676805, 514412166, 685882888, 857353610, 1028824332, 1286030415, 1371765776, 1714707220, 2057648664, 2572060830, 3429414440, 4115297328, 5144121660, 6858828880, 10288243320, 20576486640]

約数ペア:

[(1, 20576486640), (2, 10288243320), (3, 6858828880), (4, 5144121660), (5, 4115297328), (6, 3429414440), (8, 2572060830), (10, 2057648664), (12, 1714707220), (15, 1371765776), (16, 1286030415), (20, 1028824332), (24, 857353610), (30, 685882888), (40, 514412166), (48, 428676805), (60, 342941444), (73, 281869680), (80, 257206083), (120, 171470722), (146, 140934840), (219, 93956560), (240, 85735361), (292, 70467420), (365, 56373936), (419, 49108560), (438, 46978280), (584, 35233710), (730, 28186968), (838, 24554280), (876, 23489140), (1095, 18791312), (1168, 17616855), (1257, 16369520), (1460, 14093484), (1676, 12277140), (1752, 11744570), (2095, 9821712), (2190, 9395656), (2514, 8184760), (2803, 7340880), (2920, 7046742), (3352, 6138570), (3504, 5872285), (4190, 4910856), (4380, 4697828), (5028, 4092380), (5606, 3670440), (5840, 3523371), (6285, 3273904), (6704, 3069285), (8380, 2455428), (8409, 2446960), (8760, 2348914), (10056, 2046190), (11212, 1835220), (12570, 1636952), (14015, 1468176), (16760, 1227714), (16818, 1223480), (17520, 1174457), (20112, 1023095), (22424, 917610), (25140, 818476), (28030, 734088), (30587, 672720), (33520, 613857), (33636, 611740), (42045, 489392), (44848, 458805), (50280, 409238), (56060, 367044), (61174, 336360), (67272, 305870), (84090, 244696), (91761, 224240), (100560, 204619), (112120, 183522), (122348, 168180), (134544, 152935)]