20581159

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 1721561

約数列:

[1, 23, 47, 79, 241, 1081, 1817, 3713, 5543, 11327, 19039, 85399, 260521, 437897, 894833, 20581159]

約数ペア:

[(1, 20581159), (23, 894833), (47, 437897), (79, 260521), (241, 85399), (1081, 19039), (1817, 11327), (3713, 5543)]