20189071359

素因数分解:

$3^2\times {\mathrm{23971}}^1\times {\mathrm{93581}}^1$

素因数の和:117558

約数の個数: 12

約数和(自身を含む): 29163520152

約数和(自身を除く): 8974448793

約数列:

[1, 3, 9, 23971, 71913, 93581, 215739, 280743, 842229, 2243230151, 6729690453, 20189071359]

約数ペア:

[(1, 20189071359), (3, 6729690453), (9, 2243230151), (23971, 842229), (71913, 280743), (93581, 215739)]