20173403288

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{3933971}}^1$

素因数の和:3934618

約数の個数: 16

約数和(自身を含む): 37884150360

約数和(自身を除く): 17710747072

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 3933971, 7867942, 15735884, 31471768, 2521675411, 5043350822, 10086701644, 20173403288]

約数ペア:

[(1, 20173403288), (2, 10086701644), (4, 5043350822), (8, 2521675411), (641, 31471768), (1282, 15735884), (2564, 7867942), (5128, 3933971)]