20300272

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 41220576

約数和(自身を除く): 20920304

約数列:

[1, 2, 4, 8, 16, 37, 53, 74, 106, 148, 212, 296, 424, 592, 647, 848, 1294, 1961, 2588, 3922, 5176, 7844, 10352, 15688, 23939, 31376, 34291, 47878, 68582, 95756, 137164, 191512, 274328, 383024, 548656, 1268767, 2537534, 5075068, 10150136, 20300272]

約数ペア:

[(1, 20300272), (2, 10150136), (4, 5075068), (8, 2537534), (16, 1268767), (37, 548656), (53, 383024), (74, 274328), (106, 191512), (148, 137164), (212, 95756), (296, 68582), (424, 47878), (592, 34291), (647, 31376), (848, 23939), (1294, 15688), (1961, 10352), (2588, 7844), (3922, 5176)]