20898370

素因数分解:

$2^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{2027}}^1$

素因数の和:3065

約数の個数: 16

約数和(自身を含む): 37672128

約数和(自身を除く): 16773758

約数列:

[1, 2, 5, 10, 1031, 2027, 2062, 4054, 5155, 10135, 10310, 20270, 2089837, 4179674, 10449185, 20898370]

約数ペア:

[(1, 20898370), (2, 10449185), (5, 4179674), (10, 2089837), (1031, 20270), (2027, 10310), (2062, 10135), (4054, 5155)]