20318900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29027}}^1$

素因数の和:29048

約数の個数: 36

約数和(自身を含む): 50392608

約数和(自身を除く): 30073708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29027, 58054, 116108, 145135, 203189, 290270, 406378, 580540, 725675, 812756, 1015945, 1451350, 2031890, 2902700, 4063780, 5079725, 10159450, 20318900]

約数ペア:

[(1, 20318900), (2, 10159450), (4, 5079725), (5, 4063780), (7, 2902700), (10, 2031890), (14, 1451350), (20, 1015945), (25, 812756), (28, 725675), (35, 580540), (50, 406378), (70, 290270), (100, 203189), (140, 145135), (175, 116108), (350, 58054), (700, 29027)]