20844694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{991}}^1$

素因数の和:1815

約数の個数: 16

約数和(自身を含む): 33747840

約数和(自身を除く): 12903146

約数列:

[1, 2, 13, 26, 809, 991, 1618, 1982, 10517, 12883, 21034, 25766, 801719, 1603438, 10422347, 20844694]

約数ペア:

[(1, 20844694), (2, 10422347), (13, 1603438), (26, 801719), (809, 25766), (991, 21034), (1618, 12883), (1982, 10517)]