20204808

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 56179200

約数和(自身を除く): 35974392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2089, 2418, 3224, 4178, 4836, 6267, 8356, 9672, 12534, 16712, 25068, 27157, 50136, 54314, 64759, 81471, 108628, 129518, 162942, 194277, 217256, 259036, 325884, 388554, 518072, 651768, 777108, 841867, 1554216, 1683734, 2525601, 3367468, 5051202, 6734936, 10102404, 20204808]

約数ペア:

[(1, 20204808), (2, 10102404), (3, 6734936), (4, 5051202), (6, 3367468), (8, 2525601), (12, 1683734), (13, 1554216), (24, 841867), (26, 777108), (31, 651768), (39, 518072), (52, 388554), (62, 325884), (78, 259036), (93, 217256), (104, 194277), (124, 162942), (156, 129518), (186, 108628), (248, 81471), (312, 64759), (372, 54314), (403, 50136), (744, 27157), (806, 25068), (1209, 16712), (1612, 12534), (2089, 9672), (2418, 8356), (3224, 6267), (4178, 4836)]