20927786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 35356608

約数和(自身を除く): 14428822

約数列:

[1, 2, 11, 22, 73, 83, 146, 157, 166, 314, 803, 913, 1606, 1727, 1826, 3454, 6059, 11461, 12118, 13031, 22922, 26062, 66649, 126071, 133298, 143341, 252142, 286682, 951263, 1902526, 10463893, 20927786]

約数ペア:

[(1, 20927786), (2, 10463893), (11, 1902526), (22, 951263), (73, 286682), (83, 252142), (146, 143341), (157, 133298), (166, 126071), (314, 66649), (803, 26062), (913, 22922), (1606, 13031), (1727, 12118), (1826, 11461), (3454, 6059)]