20147520970

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2939}}^1\times {\mathrm{5233}}^1$

素因数の和:8310

約数の個数: 32

約数和(自身を含む): 36561792960

約数和(自身を除く): 16414271990

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 2939, 5233, 5878, 10466, 14695, 26165, 29390, 52330, 385009, 685523, 770018, 1371046, 1925045, 3427615, 3850090, 6855230, 15379787, 30759574, 76898935, 153797870, 2014752097, 4029504194, 10073760485, 20147520970]

約数ペア:

[(1, 20147520970), (2, 10073760485), (5, 4029504194), (10, 2014752097), (131, 153797870), (262, 76898935), (655, 30759574), (1310, 15379787), (2939, 6855230), (5233, 3850090), (5878, 3427615), (10466, 1925045), (14695, 1371046), (26165, 770018), (29390, 685523), (52330, 385009)]