20647242026

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1\times {\mathrm{853}}^1$

素因数の和:1814

約数の個数: 32

約数和(自身を含む): 31580236800

約数和(自身を除く): 10932994774

約数列:

[1, 2, 79, 158, 239, 478, 641, 853, 1282, 1706, 18881, 37762, 50639, 67387, 101278, 134774, 153199, 203867, 306398, 407734, 546773, 1093546, 12102721, 16105493, 24205442, 32210986, 43195067, 86390134, 130678747, 261357494, 10323621013, 20647242026]

約数ペア:

[(1, 20647242026), (2, 10323621013), (79, 261357494), (158, 130678747), (239, 86390134), (478, 43195067), (641, 32210986), (853, 24205442), (1282, 16105493), (1706, 12102721), (18881, 1093546), (37762, 546773), (50639, 407734), (67387, 306398), (101278, 203867), (134774, 153199)]