20147208304

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29283733}}^1$

素因数の和:29283784

約数の個数: 20

約数和(自身を含む): 39943013176

約数和(自身を除く): 19795804872

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29283733, 58567466, 117134932, 234269864, 468539728, 1259200519, 2518401038, 5036802076, 10073604152, 20147208304]

約数ペア:

[(1, 20147208304), (2, 10073604152), (4, 5036802076), (8, 2518401038), (16, 1259200519), (43, 468539728), (86, 234269864), (172, 117134932), (344, 58567466), (688, 29283733)]