20409876109

素因数分解:

$7^1\times {\mathrm{167}}^1\times {\mathrm{653}}^1\times {\mathrm{26737}}^1$

素因数の和:27564

約数の個数: 16

約数和(自身を含む): 23502060288

約数和(自身を除く): 3092184179

約数列:

[1, 7, 167, 653, 1169, 4571, 26737, 109051, 187159, 763357, 4465079, 17459261, 31255553, 122214827, 2915696587, 20409876109]

約数ペア:

[(1, 20409876109), (7, 2915696587), (167, 122214827), (653, 31255553), (1169, 17459261), (4571, 4465079), (26737, 763357), (109051, 187159)]