20199401999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{396541}}^1$

素因数の和:396950

約数の個数: 16

約数和(自身を含む): 24363540480

約数和(自身を除く): 4164138481

約数列:

[1, 7, 19, 133, 383, 2681, 7277, 50939, 396541, 2775787, 7534279, 52739953, 151875203, 1063126421, 2885628857, 20199401999]

約数ペア:

[(1, 20199401999), (7, 2885628857), (19, 1063126421), (133, 151875203), (383, 52739953), (2681, 7534279), (7277, 2775787), (50939, 396541)]