20154202675

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{3607}}^1\times {\mathrm{4217}}^1$

素因数の和:7887

約数の個数: 24

約数和(自身を含む): 25475842656

約数和(自身を除く): 5321639981

約数列:

[1, 5, 25, 53, 265, 1325, 3607, 4217, 18035, 21085, 90175, 105425, 191171, 223501, 955855, 1117505, 4779275, 5587525, 15210719, 76053595, 380267975, 806168107, 4030840535, 20154202675]

約数ペア:

[(1, 20154202675), (5, 4030840535), (25, 806168107), (53, 380267975), (265, 76053595), (1325, 15210719), (3607, 5587525), (4217, 4779275), (18035, 1117505), (21085, 955855), (90175, 223501), (105425, 191171)]