20566000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 61746048

約数和(自身を除く): 41180048

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 113, 125, 130, 140, 175, 182, 200, 208, 226, 250, 260, 280, 325, 350, 364, 400, 452, 455, 500, 520, 560, 565, 650, 700, 728, 791, 875, 904, 910, 1000, 1040, 1130, 1300, 1400, 1456, 1469, 1582, 1625, 1750, 1808, 1820, 2000, 2260, 2275, 2600, 2800, 2825, 2938, 3164, 3250, 3500, 3640, 3955, 4520, 4550, 5200, 5650, 5876, 6328, 6500, 7000, 7280, 7345, 7910, 9040, 9100, 10283, 11300, 11375, 11752, 12656, 13000, 14000, 14125, 14690, 15820, 18200, 19775, 20566, 22600, 22750, 23504, 26000, 28250, 29380, 31640, 36400, 36725, 39550, 41132, 45200, 45500, 51415, 56500, 58760, 63280, 73450, 79100, 82264, 91000, 98875, 102830, 113000, 117520, 146900, 158200, 164528, 182000, 183625, 197750, 205660, 226000, 257075, 293800, 316400, 367250, 395500, 411320, 514150, 587600, 734500, 791000, 822640, 1028300, 1285375, 1469000, 1582000, 2056600, 2570750, 2938000, 4113200, 5141500, 10283000, 20566000]

約数ペア:

[(1, 20566000), (2, 10283000), (4, 5141500), (5, 4113200), (7, 2938000), (8, 2570750), (10, 2056600), (13, 1582000), (14, 1469000), (16, 1285375), (20, 1028300), (25, 822640), (26, 791000), (28, 734500), (35, 587600), (40, 514150), (50, 411320), (52, 395500), (56, 367250), (65, 316400), (70, 293800), (80, 257075), (91, 226000), (100, 205660), (104, 197750), (112, 183625), (113, 182000), (125, 164528), (130, 158200), (140, 146900), (175, 117520), (182, 113000), (200, 102830), (208, 98875), (226, 91000), (250, 82264), (260, 79100), (280, 73450), (325, 63280), (350, 58760), (364, 56500), (400, 51415), (452, 45500), (455, 45200), (500, 41132), (520, 39550), (560, 36725), (565, 36400), (650, 31640), (700, 29380), (728, 28250), (791, 26000), (875, 23504), (904, 22750), (910, 22600), (1000, 20566), (1040, 19775), (1130, 18200), (1300, 15820), (1400, 14690), (1456, 14125), (1469, 14000), (1582, 13000), (1625, 12656), (1750, 11752), (1808, 11375), (1820, 11300), (2000, 10283), (2260, 9100), (2275, 9040), (2600, 7910), (2800, 7345), (2825, 7280), (2938, 7000), (3164, 6500), (3250, 6328), (3500, 5876), (3640, 5650), (3955, 5200), (4520, 4550)]