20197492

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23269}}^1$

素因数の和:23311

約数の個数: 24

約数和(自身を含む): 41699840

約数和(自身を除く): 21502348

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23269, 46538, 93076, 162883, 325766, 651532, 721339, 1442678, 2885356, 5049373, 10098746, 20197492]

約数ペア:

[(1, 20197492), (2, 10098746), (4, 5049373), (7, 2885356), (14, 1442678), (28, 721339), (31, 651532), (62, 325766), (124, 162883), (217, 93076), (434, 46538), (868, 23269)]