20849008

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18353}}^1$

素因数の和:18432

約数の個数: 20

約数和(自身を含む): 40966128

約数和(自身を除く): 20117120

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18353, 36706, 73412, 146824, 293648, 1303063, 2606126, 5212252, 10424504, 20849008]

約数ペア:

[(1, 20849008), (2, 10424504), (4, 5212252), (8, 2606126), (16, 1303063), (71, 293648), (142, 146824), (284, 73412), (568, 36706), (1136, 18353)]