20809315808

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{2339}}^1\times {\mathrm{6781}}^1$

素因数の和:9171

約数の個数: 48

約数和(自身を含む): 41991702480

約数和(自身を除く): 21182386672

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 2339, 4678, 6781, 9356, 13562, 18712, 27124, 37424, 54248, 74848, 95899, 108496, 191798, 216992, 278021, 383596, 556042, 767192, 1112084, 1534384, 2224168, 3068768, 4448336, 8896672, 15860759, 31721518, 63443036, 126886072, 253772144, 507544288, 650291119, 1300582238, 2601164476, 5202328952, 10404657904, 20809315808]

約数ペア:

[(1, 20809315808), (2, 10404657904), (4, 5202328952), (8, 2601164476), (16, 1300582238), (32, 650291119), (41, 507544288), (82, 253772144), (164, 126886072), (328, 63443036), (656, 31721518), (1312, 15860759), (2339, 8896672), (4678, 4448336), (6781, 3068768), (9356, 2224168), (13562, 1534384), (18712, 1112084), (27124, 767192), (37424, 556042), (54248, 383596), (74848, 278021), (95899, 216992), (108496, 191798)]