20219465

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6491}}^1$

素因数の和:6592

約数の個数: 16

約数和(自身を含む): 28045440

約数和(自身を除く): 7825975

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6491, 32455, 45437, 227185, 577699, 2888495, 4043893, 20219465]

約数ペア:

[(1, 20219465), (5, 4043893), (7, 2888495), (35, 577699), (89, 227185), (445, 45437), (623, 32455), (3115, 6491)]