20072000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:233

約数の個数: 112

約数和(自身を含む): 53809392

約数和(自身を除く): 33737392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 193, 200, 208, 250, 260, 320, 325, 386, 400, 416, 500, 520, 650, 772, 800, 832, 965, 1000, 1040, 1300, 1544, 1600, 1625, 1930, 2000, 2080, 2509, 2600, 3088, 3250, 3860, 4000, 4160, 4825, 5018, 5200, 6176, 6500, 7720, 8000, 9650, 10036, 10400, 12352, 12545, 13000, 15440, 19300, 20072, 20800, 24125, 25090, 26000, 30880, 38600, 40144, 48250, 50180, 52000, 61760, 62725, 77200, 80288, 96500, 100360, 104000, 125450, 154400, 160576, 193000, 200720, 250900, 308800, 313625, 386000, 401440, 501800, 627250, 772000, 802880, 1003600, 1254500, 1544000, 2007200, 2509000, 4014400, 5018000, 10036000, 20072000]

約数ペア:

[(1, 20072000), (2, 10036000), (4, 5018000), (5, 4014400), (8, 2509000), (10, 2007200), (13, 1544000), (16, 1254500), (20, 1003600), (25, 802880), (26, 772000), (32, 627250), (40, 501800), (50, 401440), (52, 386000), (64, 313625), (65, 308800), (80, 250900), (100, 200720), (104, 193000), (125, 160576), (130, 154400), (160, 125450), (193, 104000), (200, 100360), (208, 96500), (250, 80288), (260, 77200), (320, 62725), (325, 61760), (386, 52000), (400, 50180), (416, 48250), (500, 40144), (520, 38600), (650, 30880), (772, 26000), (800, 25090), (832, 24125), (965, 20800), (1000, 20072), (1040, 19300), (1300, 15440), (1544, 13000), (1600, 12545), (1625, 12352), (1930, 10400), (2000, 10036), (2080, 9650), (2509, 8000), (2600, 7720), (3088, 6500), (3250, 6176), (3860, 5200), (4000, 5018), (4160, 4825)]