20469530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^2$

素因数の和:718

約数の個数: 24

約数和(自身を含む): 39125268

約数和(自身を除く): 18655738

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 347, 694, 1735, 3470, 5899, 11798, 29495, 58990, 120409, 240818, 602045, 1204090, 2046953, 4093906, 10234765, 20469530]

約数ペア:

[(1, 20469530), (2, 10234765), (5, 4093906), (10, 2046953), (17, 1204090), (34, 602045), (85, 240818), (170, 120409), (347, 58990), (694, 29495), (1735, 11798), (3470, 5899)]