20420158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 34618752

約数和(自身を除く): 14198594

約数列:

[1, 2, 11, 22, 53, 83, 106, 166, 211, 422, 583, 913, 1166, 1826, 2321, 4399, 4642, 8798, 11183, 17513, 22366, 35026, 48389, 96778, 123013, 192643, 246026, 385286, 928189, 1856378, 10210079, 20420158]

約数ペア:

[(1, 20420158), (2, 10210079), (11, 1856378), (22, 928189), (53, 385286), (83, 246026), (106, 192643), (166, 123013), (211, 96778), (422, 48389), (583, 35026), (913, 22366), (1166, 17513), (1826, 11183), (2321, 8798), (4399, 4642)]