20835142016

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{963163}}^1$

素因数の和:963203

約数の個数: 48

約数和(自身を含む): 44946048060

約数和(自身を除く): 24110906044

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 2704, 5408, 10816, 21632, 963163, 1926326, 3852652, 7705304, 12521119, 15410608, 25042238, 30821216, 50084476, 61642432, 100168952, 123284864, 162774547, 200337904, 325549094, 400675808, 651098188, 801351616, 1302196376, 1602703232, 2604392752, 5208785504, 10417571008, 20835142016]

約数ペア:

[(1, 20835142016), (2, 10417571008), (4, 5208785504), (8, 2604392752), (13, 1602703232), (16, 1302196376), (26, 801351616), (32, 651098188), (52, 400675808), (64, 325549094), (104, 200337904), (128, 162774547), (169, 123284864), (208, 100168952), (338, 61642432), (416, 50084476), (676, 30821216), (832, 25042238), (1352, 15410608), (1664, 12521119), (2704, 7705304), (5408, 3852652), (10816, 1926326), (21632, 963163)]