20177854988

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^2\times {\mathrm{233}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 37557846144

約数和(自身を除く): 17379991156

約数列:

[1, 2, 4, 31, 61, 62, 107, 122, 124, 214, 233, 244, 428, 466, 932, 1891, 3317, 3782, 6527, 6634, 7223, 7564, 11449, 13054, 13268, 14213, 14446, 22898, 24931, 26108, 28426, 28892, 45796, 49862, 56852, 99724, 202337, 354919, 404674, 440603, 698389, 709838, 772861, 809348, 881206, 1396778, 1419676, 1520791, 1545722, 1762412, 2667617, 2793556, 3041582, 3091444, 5335234, 6083164, 10670468, 21650059, 43300118, 47144521, 82696127, 86600236, 94289042, 162724637, 165392254, 188578084, 325449274, 330784508, 650898548, 5044463747, 10088927494, 20177854988]

約数ペア:

[(1, 20177854988), (2, 10088927494), (4, 5044463747), (31, 650898548), (61, 330784508), (62, 325449274), (107, 188578084), (122, 165392254), (124, 162724637), (214, 94289042), (233, 86600236), (244, 82696127), (428, 47144521), (466, 43300118), (932, 21650059), (1891, 10670468), (3317, 6083164), (3782, 5335234), (6527, 3091444), (6634, 3041582), (7223, 2793556), (7564, 2667617), (11449, 1762412), (13054, 1545722), (13268, 1520791), (14213, 1419676), (14446, 1396778), (22898, 881206), (24931, 809348), (26108, 772861), (28426, 709838), (28892, 698389), (45796, 440603), (49862, 404674), (56852, 354919), (99724, 202337)]