20028916

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 35804160

約数和(自身を除く): 15775244

約数列:

[1, 2, 4, 89, 127, 178, 254, 356, 443, 508, 886, 1772, 11303, 22606, 39427, 45212, 56261, 78854, 112522, 157708, 225044, 5007229, 10014458, 20028916]

約数ペア:

[(1, 20028916), (2, 10014458), (4, 5007229), (89, 225044), (127, 157708), (178, 112522), (254, 78854), (356, 56261), (443, 45212), (508, 39427), (886, 22606), (1772, 11303)]