20276188840

素因数分解:

$2^3\times 5^1\times {\mathrm{506904721}}^1$

素因数の和:506904732

約数の個数: 16

約数和(自身を含む): 45621424980

約数和(自身を除く): 25345236140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506904721, 1013809442, 2027618884, 2534523605, 4055237768, 5069047210, 10138094420, 20276188840]

約数ペア:

[(1, 20276188840), (2, 10138094420), (4, 5069047210), (5, 4055237768), (8, 2534523605), (10, 2027618884), (20, 1013809442), (40, 506904721)]