20178242

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7963}}^1$

素因数の和:8153

約数の個数: 16

約数和(自身を含む): 34786752

約数和(自身を除く): 14608510

約数列:

[1, 2, 7, 14, 181, 362, 1267, 2534, 7963, 15926, 55741, 111482, 1441303, 2882606, 10089121, 20178242]

約数ペア:

[(1, 20178242), (2, 10089121), (7, 2882606), (14, 1441303), (181, 111482), (362, 55741), (1267, 15926), (2534, 7963)]