20179814

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{509}}^1$

素因数の和:1015

約数の個数: 16

約数和(自身を含む): 31101840

約数和(自身を除く): 10922026

約数列:

[1, 2, 43, 86, 461, 509, 922, 1018, 19823, 21887, 39646, 43774, 234649, 469298, 10089907, 20179814]

約数ペア:

[(1, 20179814), (2, 10089907), (43, 469298), (86, 234649), (461, 43774), (509, 39646), (922, 21887), (1018, 19823)]