16520120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21737}}^1$

素因数の和:21767

約数の個数: 32

約数和(自身を含む): 39128400

約数和(自身を除く): 22608280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21737, 43474, 86948, 108685, 173896, 217370, 413003, 434740, 826006, 869480, 1652012, 2065015, 3304024, 4130030, 8260060, 16520120]

約数ペア:

[(1, 16520120), (2, 8260060), (4, 4130030), (5, 3304024), (8, 2065015), (10, 1652012), (19, 869480), (20, 826006), (38, 434740), (40, 413003), (76, 217370), (95, 173896), (152, 108685), (190, 86948), (380, 43474), (760, 21737)]