20157633140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{596027}}^1$

素因数の和:596144

約数の個数: 48

約数和(自身を含む): 45059716800

約数和(自身を除く): 24902083660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 596027, 1192054, 2384108, 2980135, 5960270, 11324513, 11920540, 22649026, 45298052, 53046403, 56622565, 106092806, 113245130, 212185612, 226490260, 265232015, 530464030, 1007881657, 1060928060, 2015763314, 4031526628, 5039408285, 10078816570, 20157633140]

約数ペア:

[(1, 20157633140), (2, 10078816570), (4, 5039408285), (5, 4031526628), (10, 2015763314), (19, 1060928060), (20, 1007881657), (38, 530464030), (76, 265232015), (89, 226490260), (95, 212185612), (178, 113245130), (190, 106092806), (356, 56622565), (380, 53046403), (445, 45298052), (890, 22649026), (1691, 11920540), (1780, 11324513), (3382, 5960270), (6764, 2980135), (8455, 2384108), (16910, 1192054), (33820, 596027)]