20948375

素因数分解:

$5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 9378025

約数列:

[1, 5, 7, 25, 35, 89, 125, 175, 269, 445, 623, 875, 1345, 1883, 2225, 3115, 6725, 9415, 11125, 15575, 23941, 33625, 47075, 77875, 119705, 167587, 235375, 598525, 837935, 2992625, 4189675, 20948375]

約数ペア:

[(1, 20948375), (5, 4189675), (7, 2992625), (25, 837935), (35, 598525), (89, 235375), (125, 167587), (175, 119705), (269, 77875), (445, 47075), (623, 33625), (875, 23941), (1345, 15575), (1883, 11125), (2225, 9415), (3115, 6725)]