20536960

素因数分解:

$2^7\times 5^1\times {\mathrm{32089}}^1$

素因数の和:32108

約数の個数: 32

約数和(自身を含む): 49097700

約数和(自身を除く): 28560740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32089, 64178, 128356, 160445, 256712, 320890, 513424, 641780, 1026848, 1283560, 2053696, 2567120, 4107392, 5134240, 10268480, 20536960]

約数ペア:

[(1, 20536960), (2, 10268480), (4, 5134240), (5, 4107392), (8, 2567120), (10, 2053696), (16, 1283560), (20, 1026848), (32, 641780), (40, 513424), (64, 320890), (80, 256712), (128, 160445), (160, 128356), (320, 64178), (640, 32089)]