20508698

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86171}}^1$

素因数の和:86197

約数の個数: 16

約数和(自身を含む): 37226304

約数和(自身を除く): 16717606

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86171, 172342, 603197, 1206394, 1464907, 2929814, 10254349, 20508698]

約数ペア:

[(1, 20508698), (2, 10254349), (7, 2929814), (14, 1464907), (17, 1206394), (34, 603197), (119, 172342), (238, 86171)]