20384417

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 22049280

約数和(自身を除く): 1664863

約数列:

[1, 23, 47, 109, 173, 1081, 2507, 3979, 5123, 8131, 18857, 117829, 187013, 433711, 886279, 20384417]

約数ペア:

[(1, 20384417), (23, 886279), (47, 433711), (109, 187013), (173, 117829), (1081, 18857), (2507, 8131), (3979, 5123)]