20197700971

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{13296709}}^1$

素因数の和:13296754

約数の個数: 12

約数和(自身を含む): 24253199040

約数和(自身を除く): 4055498069

約数列:

[1, 7, 31, 49, 217, 1519, 13296709, 93076963, 412197979, 651538741, 2885385853, 20197700971]

約数ペア:

[(1, 20197700971), (7, 2885385853), (31, 651538741), (49, 412197979), (217, 93076963), (1519, 13296709)]