20123404568

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{2647}}^1\times {\mathrm{20219}}^1$

素因数の和:22919

約数の個数: 32

約数和(自身を含む): 38550643200

約数和(自身を除く): 18427238632

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 2647, 5294, 10588, 20219, 21176, 40438, 80876, 124409, 161752, 248818, 497636, 950293, 995272, 1900586, 3801172, 7602344, 53519693, 107039386, 214078772, 428157544, 2515425571, 5030851142, 10061702284, 20123404568]

約数ペア:

[(1, 20123404568), (2, 10061702284), (4, 5030851142), (8, 2515425571), (47, 428157544), (94, 214078772), (188, 107039386), (376, 53519693), (2647, 7602344), (5294, 3801172), (10588, 1900586), (20219, 995272), (21176, 950293), (40438, 497636), (80876, 248818), (124409, 161752)]