20627684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66973}}^1$

素因数の和:66995

約数の個数: 24

約数和(自身を含む): 45006528

約数和(自身を除く): 24378844

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66973, 133946, 267892, 468811, 736703, 937622, 1473406, 1875244, 2946812, 5156921, 10313842, 20627684]

約数ペア:

[(1, 20627684), (2, 10313842), (4, 5156921), (7, 2946812), (11, 1875244), (14, 1473406), (22, 937622), (28, 736703), (44, 468811), (77, 267892), (154, 133946), (308, 66973)]