20351992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{569}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 20277608

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 263, 526, 569, 1052, 1138, 2104, 2276, 4471, 4552, 8942, 9673, 17884, 19346, 35768, 38692, 77384, 149647, 299294, 598588, 1197176, 2543999, 5087998, 10175996, 20351992]

約数ペア:

[(1, 20351992), (2, 10175996), (4, 5087998), (8, 2543999), (17, 1197176), (34, 598588), (68, 299294), (136, 149647), (263, 77384), (526, 38692), (569, 35768), (1052, 19346), (1138, 17884), (2104, 9673), (2276, 8942), (4471, 4552)]