20538788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{823}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 38207232

約数和(自身を除く): 17668444

約数列:

[1, 2, 4, 17, 34, 68, 367, 734, 823, 1468, 1646, 3292, 6239, 12478, 13991, 24956, 27982, 55964, 302041, 604082, 1208164, 5134697, 10269394, 20538788]

約数ペア:

[(1, 20538788), (2, 10269394), (4, 5134697), (17, 1208164), (34, 604082), (68, 302041), (367, 55964), (734, 27982), (823, 24956), (1468, 13991), (1646, 12478), (3292, 6239)]