20308144

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9689}}^1$

素因数の和:9828

約数の個数: 20

約数和(自身を含む): 39651480

約数和(自身を除く): 19343336

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9689, 19378, 38756, 77512, 155024, 1269259, 2538518, 5077036, 10154072, 20308144]

約数ペア:

[(1, 20308144), (2, 10154072), (4, 5077036), (8, 2538518), (16, 1269259), (131, 155024), (262, 77512), (524, 38756), (1048, 19378), (2096, 9689)]