20385527617777

素因数分解:

$7^2\times {\mathrm{5711}}^1\times {\mathrm{72847343}}^1$

素因数の和:72853068

約数の個数: 12

約数和(自身を含む): 23717929648896

約数和(自身を除く): 3332402031119

約数列:

[1, 7, 49, 5711, 39977, 279839, 72847343, 509931401, 3569519807, 416031175873, 2912218231111, 20385527617777]

約数ペア:

[(1, 20385527617777), (7, 2912218231111), (49, 416031175873), (5711, 3569519807), (39977, 509931401), (279839, 72847343)]