20559553

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 24284160

約数和(自身を除く): 3724607

約数列:

[1, 7, 59, 67, 413, 469, 743, 3953, 5201, 27671, 43837, 49781, 306859, 348467, 2937079, 20559553]

約数ペア:

[(1, 20559553), (7, 2937079), (59, 348467), (67, 306859), (413, 49781), (469, 43837), (743, 27671), (3953, 5201)]