20407166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8819}}^1$

素因数の和:8923

約数の個数: 16

約数和(自身を含む): 33339600

約数和(自身を除く): 12932434

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8819, 17638, 114647, 229294, 784891, 1569782, 10203583, 20407166]

約数ペア:

[(1, 20407166), (2, 10203583), (13, 1569782), (26, 784891), (89, 229294), (178, 114647), (1157, 17638), (2314, 8819)]