20639909

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2342491

約数列:

[1, 19, 29, 47, 551, 797, 893, 1363, 15143, 23113, 25897, 37459, 439147, 711721, 1086311, 20639909]

約数ペア:

[(1, 20639909), (19, 1086311), (29, 711721), (47, 439147), (551, 37459), (797, 25897), (893, 23113), (1363, 15143)]