20781106

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{3533}}^1$

素因数の和:3725

約数の個数: 16

約数和(自身を含む): 33205464

約数和(自身を除く): 12424358

約数列:

[1, 2, 17, 34, 173, 346, 2941, 3533, 5882, 7066, 60061, 120122, 611209, 1222418, 10390553, 20781106]

約数ペア:

[(1, 20781106), (2, 10390553), (17, 1222418), (34, 611209), (173, 120122), (346, 60061), (2941, 7066), (3533, 5882)]