20143280

素因数分解:

$2^4\times 5^1\times {\mathrm{251791}}^1$

素因数の和:251804

約数の個数: 20

約数和(自身を含む): 46833312

約数和(自身を除く): 26690032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251791, 503582, 1007164, 1258955, 2014328, 2517910, 4028656, 5035820, 10071640, 20143280]

約数ペア:

[(1, 20143280), (2, 10071640), (4, 5035820), (5, 4028656), (8, 2517910), (10, 2014328), (16, 1258955), (20, 1007164), (40, 503582), (80, 251791)]