20155778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1931}}^1$

素因数の和:2257

約数の個数: 16

約数和(自身を含む): 32133024

約数和(自身を除く): 11977246

約数列:

[1, 2, 17, 34, 307, 614, 1931, 3862, 5219, 10438, 32827, 65654, 592817, 1185634, 10077889, 20155778]

約数ペア:

[(1, 20155778), (2, 10077889), (17, 1185634), (34, 592817), (307, 65654), (614, 32827), (1931, 10438), (3862, 5219)]