20563473

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3089}}^1$

素因数の和:3416

約数の個数: 16

約数和(自身を含む): 31443840

約数和(自身を除く): 10880367

約数列:

[1, 3, 7, 21, 317, 951, 2219, 3089, 6657, 9267, 21623, 64869, 979213, 2937639, 6854491, 20563473]

約数ペア:

[(1, 20563473), (3, 6854491), (7, 2937639), (21, 979213), (317, 64869), (951, 21623), (2219, 9267), (3089, 6657)]