20719297

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 22522752

約数和(自身を除く): 1803455

約数列:

[1, 23, 37, 97, 251, 851, 2231, 3589, 5773, 9287, 24347, 82547, 213601, 559981, 900839, 20719297]

約数ペア:

[(1, 20719297), (23, 900839), (37, 559981), (97, 213601), (251, 82547), (851, 24347), (2231, 9287), (3589, 5773)]