20056720

素因数分解:

$2^4\times 5^1\times {\mathrm{250709}}^1$

素因数の和:250722

約数の個数: 20

約数和(自身を含む): 46632060

約数和(自身を除く): 26575340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250709, 501418, 1002836, 1253545, 2005672, 2507090, 4011344, 5014180, 10028360, 20056720]

約数ペア:

[(1, 20056720), (2, 10028360), (4, 5014180), (5, 4011344), (8, 2507090), (10, 2005672), (16, 1253545), (20, 1002836), (40, 501418), (80, 250709)]