20156950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 41586624

約数和(自身を除く): 21429674

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 67, 110, 134, 275, 335, 547, 550, 670, 737, 1094, 1474, 1675, 2735, 3350, 3685, 5470, 6017, 7370, 12034, 13675, 18425, 27350, 30085, 36649, 36850, 60170, 73298, 150425, 183245, 300850, 366490, 403139, 806278, 916225, 1832450, 2015695, 4031390, 10078475, 20156950]

約数ペア:

[(1, 20156950), (2, 10078475), (5, 4031390), (10, 2015695), (11, 1832450), (22, 916225), (25, 806278), (50, 403139), (55, 366490), (67, 300850), (110, 183245), (134, 150425), (275, 73298), (335, 60170), (547, 36850), (550, 36649), (670, 30085), (737, 27350), (1094, 18425), (1474, 13675), (1675, 12034), (2735, 7370), (3350, 6017), (3685, 5470)]