20574421

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1607}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 24698880

約数和(自身を除く): 4124459

約数列:

[1, 7, 31, 59, 217, 413, 1607, 1829, 11249, 12803, 49817, 94813, 348719, 663691, 2939203, 20574421]

約数ペア:

[(1, 20574421), (7, 2939203), (31, 663691), (59, 348719), (217, 94813), (413, 49817), (1607, 12803), (1829, 11249)]