20512142678

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{294199}}^1$

素因数の和:294763

約数の個数: 16

約数和(自身を含む): 31265222400

約数和(自身を除く): 10753079722

約数列:

[1, 2, 71, 142, 491, 982, 34861, 69722, 294199, 588398, 20888129, 41776258, 144451709, 288903418, 10256071339, 20512142678]

約数ペア:

[(1, 20512142678), (2, 10256071339), (71, 288903418), (142, 144451709), (491, 41776258), (982, 20888129), (34861, 588398), (69722, 294199)]