20227911760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{127637}}^1$

素因数の和:127940

約数の個数: 80

約数和(自身を含む): 53938797696

約数和(自身を除く): 33710885936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 560, 566, 1132, 1415, 1981, 2264, 2830, 3962, 4528, 5660, 7924, 9905, 11320, 15848, 19810, 22640, 31696, 39620, 79240, 127637, 158480, 255274, 510548, 638185, 893459, 1021096, 1276370, 1786918, 2042192, 2552740, 3573836, 4467295, 5105480, 7147672, 8934590, 10210960, 14295344, 17869180, 35738360, 36121271, 71476720, 72242542, 144485084, 180606355, 252848897, 288970168, 361212710, 505697794, 577940336, 722425420, 1011395588, 1264244485, 1444850840, 2022791176, 2528488970, 2889701680, 4045582352, 5056977940, 10113955880, 20227911760]

約数ペア:

[(1, 20227911760), (2, 10113955880), (4, 5056977940), (5, 4045582352), (7, 2889701680), (8, 2528488970), (10, 2022791176), (14, 1444850840), (16, 1264244485), (20, 1011395588), (28, 722425420), (35, 577940336), (40, 505697794), (56, 361212710), (70, 288970168), (80, 252848897), (112, 180606355), (140, 144485084), (280, 72242542), (283, 71476720), (560, 36121271), (566, 35738360), (1132, 17869180), (1415, 14295344), (1981, 10210960), (2264, 8934590), (2830, 7147672), (3962, 5105480), (4528, 4467295), (5660, 3573836), (7924, 2552740), (9905, 2042192), (11320, 1786918), (15848, 1276370), (19810, 1021096), (22640, 893459), (31696, 638185), (39620, 510548), (79240, 255274), (127637, 158480)]