19702070

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19507}}^1$

素因数の和:19615

約数の個数: 16

約数和(自身を含む): 35816688

約数和(自身を除く): 16114618

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19507, 39014, 97535, 195070, 1970207, 3940414, 9851035, 19702070]

約数ペア:

[(1, 19702070), (2, 9851035), (5, 3940414), (10, 1970207), (101, 195070), (202, 97535), (505, 39014), (1010, 19507)]