20084072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2503}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 40564800

約数和(自身を除く): 20480728

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 2503, 4012, 5006, 8024, 10012, 20024, 42551, 85102, 147677, 170204, 295354, 340408, 590708, 1181416, 2510509, 5021018, 10042036, 20084072]

約数ペア:

[(1, 20084072), (2, 10042036), (4, 5021018), (8, 2510509), (17, 1181416), (34, 590708), (59, 340408), (68, 295354), (118, 170204), (136, 147677), (236, 85102), (472, 42551), (1003, 20024), (2006, 10012), (2503, 8024), (4012, 5006)]