20125977

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1171}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 28521792

約数和(自身を除く): 8395815

約数列:

[1, 3, 17, 51, 337, 1011, 1171, 3513, 5729, 17187, 19907, 59721, 394627, 1183881, 6708659, 20125977]

約数ペア:

[(1, 20125977), (3, 6708659), (17, 1183881), (51, 394627), (337, 59721), (1011, 19907), (1171, 17187), (3513, 5729)]