20194880

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:523

約数の個数: 56

約数和(自身を含む): 48475392

約数和(自身を除く): 28280512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 283, 320, 446, 566, 892, 1115, 1132, 1415, 1784, 2230, 2264, 2830, 3568, 4460, 4528, 5660, 7136, 8920, 9056, 11320, 14272, 17840, 18112, 22640, 35680, 45280, 63109, 71360, 90560, 126218, 252436, 315545, 504872, 631090, 1009744, 1262180, 2019488, 2524360, 4038976, 5048720, 10097440, 20194880]

約数ペア:

[(1, 20194880), (2, 10097440), (4, 5048720), (5, 4038976), (8, 2524360), (10, 2019488), (16, 1262180), (20, 1009744), (32, 631090), (40, 504872), (64, 315545), (80, 252436), (160, 126218), (223, 90560), (283, 71360), (320, 63109), (446, 45280), (566, 35680), (892, 22640), (1115, 18112), (1132, 17840), (1415, 14272), (1784, 11320), (2230, 9056), (2264, 8920), (2830, 7136), (3568, 5660), (4460, 4528)]