20902166

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9323}}^1$

素因数の和:9403

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 12664234

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9323, 18646, 177137, 354274, 550057, 1100114, 10451083, 20902166]

約数ペア:

[(1, 20902166), (2, 10451083), (19, 1100114), (38, 550057), (59, 354274), (118, 177137), (1121, 18646), (2242, 9323)]