20346513215

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{21323}}^1$

素因数の和:21671

約数の個数: 32

約数和(自身を含む): 28250035200

約数和(自身を除く): 7903521985

約数列:

[1, 5, 7, 35, 137, 199, 685, 959, 995, 1393, 4795, 6965, 21323, 27263, 106615, 136315, 149261, 190841, 746305, 954205, 2921251, 4243277, 14606255, 20448757, 21216385, 29702939, 102243785, 148514695, 581328949, 2906644745, 4069302643, 20346513215]

約数ペア:

[(1, 20346513215), (5, 4069302643), (7, 2906644745), (35, 581328949), (137, 148514695), (199, 102243785), (685, 29702939), (959, 21216385), (995, 20448757), (1393, 14606255), (4795, 4243277), (6965, 2921251), (21323, 954205), (27263, 746305), (106615, 190841), (136315, 149261)]