20196982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9833}}^1$

素因数の和:9927

約数の個数: 16

約数和(自身を含む): 33042240

約数和(自身を除く): 12845258

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9833, 19666, 127829, 255658, 776807, 1553614, 10098491, 20196982]

約数ペア:

[(1, 20196982), (2, 10098491), (13, 1553614), (26, 776807), (79, 255658), (158, 127829), (1027, 19666), (2054, 9833)]