13831420

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1993}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 29144304

約数和(自身を除く): 15312884

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 1993, 3470, 3986, 6940, 7972, 9965, 19930, 39860, 691571, 1383142, 2766284, 3457855, 6915710, 13831420]

約数ペア:

[(1, 13831420), (2, 6915710), (4, 3457855), (5, 2766284), (10, 1383142), (20, 691571), (347, 39860), (694, 19930), (1388, 9965), (1735, 7972), (1993, 6940), (3470, 3986)]