20758328

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1117}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 41052960

約数和(自身を除く): 20294632

約数列:

[1, 2, 4, 8, 23, 46, 92, 101, 184, 202, 404, 808, 1117, 2234, 2323, 4468, 4646, 8936, 9292, 18584, 25691, 51382, 102764, 112817, 205528, 225634, 451268, 902536, 2594791, 5189582, 10379164, 20758328]

約数ペア:

[(1, 20758328), (2, 10379164), (4, 5189582), (8, 2594791), (23, 902536), (46, 451268), (92, 225634), (101, 205528), (184, 112817), (202, 102764), (404, 51382), (808, 25691), (1117, 18584), (2234, 9292), (2323, 8936), (4468, 4646)]