320692420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{943213}}^1$

素因数の和:943239

約数の個数: 24

約数和(自身を含む): 713069784

約数和(自身を除く): 392377364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 943213, 1886426, 3772852, 4716065, 9432130, 16034621, 18864260, 32069242, 64138484, 80173105, 160346210, 320692420]

約数ペア:

[(1, 320692420), (2, 160346210), (4, 80173105), (5, 64138484), (10, 32069242), (17, 18864260), (20, 16034621), (34, 9432130), (68, 4716065), (85, 3772852), (170, 1886426), (340, 943213)]