69439220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{204233}}^1$

素因数の和:204259

約数の個数: 24

約数和(自身を含む): 154400904

約数和(自身を除く): 84961684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 204233, 408466, 816932, 1021165, 2042330, 3471961, 4084660, 6943922, 13887844, 17359805, 34719610, 69439220]

約数ペア:

[(1, 69439220), (2, 34719610), (4, 17359805), (5, 13887844), (10, 6943922), (17, 4084660), (20, 3471961), (34, 2042330), (68, 1021165), (85, 816932), (170, 408466), (340, 204233)]