20343890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{290627}}^1$

素因数の和:290641

約数の個数: 16

約数和(自身を含む): 41850432

約数和(自身を除く): 21506542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 290627, 581254, 1453135, 2034389, 2906270, 4068778, 10171945, 20343890]

約数ペア:

[(1, 20343890), (2, 10171945), (5, 4068778), (7, 2906270), (10, 2034389), (14, 1453135), (35, 581254), (70, 290627)]