20767489

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 22934016

約数和(自身を除く): 2166527

約数列:

[1, 17, 31, 157, 251, 527, 2669, 4267, 4867, 7781, 39407, 82739, 132277, 669919, 1221617, 20767489]

約数ペア:

[(1, 20767489), (17, 1221617), (31, 669919), (157, 132277), (251, 82739), (527, 39407), (2669, 7781), (4267, 4867)]