20171255720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{935587}}^1$

素因数の和:935623

約数の個数: 96

約数和(自身を含む): 57594797280

約数和(自身を除く): 37423541560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 10780, 21560, 935587, 1871174, 3742348, 4677935, 6549109, 7484696, 9355870, 10291457, 13098218, 18711740, 20582914, 26196436, 32745545, 37423480, 41165828, 45843763, 51457285, 52392872, 65491090, 72040199, 82331656, 91687526, 102914570, 130982180, 144080398, 183375052, 205829140, 229218815, 261964360, 288160796, 360200995, 366750104, 411658280, 458437630, 504281393, 576321592, 720401990, 916875260, 1008562786, 1440803980, 1833750520, 2017125572, 2521406965, 2881607960, 4034251144, 5042813930, 10085627860, 20171255720]

約数ペア:

[(1, 20171255720), (2, 10085627860), (4, 5042813930), (5, 4034251144), (7, 2881607960), (8, 2521406965), (10, 2017125572), (11, 1833750520), (14, 1440803980), (20, 1008562786), (22, 916875260), (28, 720401990), (35, 576321592), (40, 504281393), (44, 458437630), (49, 411658280), (55, 366750104), (56, 360200995), (70, 288160796), (77, 261964360), (88, 229218815), (98, 205829140), (110, 183375052), (140, 144080398), (154, 130982180), (196, 102914570), (220, 91687526), (245, 82331656), (280, 72040199), (308, 65491090), (385, 52392872), (392, 51457285), (440, 45843763), (490, 41165828), (539, 37423480), (616, 32745545), (770, 26196436), (980, 20582914), (1078, 18711740), (1540, 13098218), (1960, 10291457), (2156, 9355870), (2695, 7484696), (3080, 6549109), (4312, 4677935), (5390, 3742348), (10780, 1871174), (21560, 935587)]