20981706

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205703}}^1$

素因数の和:205725

約数の個数: 16

約数和(自身を含む): 44432064

約数和(自身を除く): 23450358

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205703, 411406, 617109, 1234218, 3496951, 6993902, 10490853, 20981706]

約数ペア:

[(1, 20981706), (2, 10490853), (3, 6993902), (6, 3496951), (17, 1234218), (34, 617109), (51, 411406), (102, 205703)]