20312156918

素因数分解:

$2^1\times {\mathrm{37}}^4\times {\mathrm{5419}}^1$

素因数の和:5569

約数の個数: 20

約数和(自身を含む): 31320353460

約数和(自身を除く): 11008196542

約数列:

[1, 2, 37, 74, 1369, 2738, 5419, 10838, 50653, 101306, 200503, 401006, 1874161, 3748322, 7418611, 14837222, 274488607, 548977214, 10156078459, 20312156918]

約数ペア:

[(1, 20312156918), (2, 10156078459), (37, 548977214), (74, 274488607), (1369, 14837222), (2738, 7418611), (5419, 3748322), (10838, 1874161), (50653, 401006), (101306, 200503)]