20865222724

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{5011}}^1\times {\mathrm{7489}}^1$

素因数の和:12643

約数の個数: 24

約数和(自身を含む): 36789082400

約数和(自身を除く): 15923859676

約数列:

[1, 2, 4, 139, 278, 556, 5011, 7489, 10022, 14978, 20044, 29956, 696529, 1040971, 1393058, 2081942, 2786116, 4163884, 37527379, 75054758, 150109516, 5216305681, 10432611362, 20865222724]

約数ペア:

[(1, 20865222724), (2, 10432611362), (4, 5216305681), (139, 150109516), (278, 75054758), (556, 37527379), (5011, 4163884), (7489, 2786116), (10022, 2081942), (14978, 1393058), (20044, 1040971), (29956, 696529)]