20851030

素因数分解:

$2^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4523}}^1$

素因数の和:4991

約数の個数: 16

約数和(自身を含む): 37621584

約数和(自身を除く): 16770554

約数列:

[1, 2, 5, 10, 461, 922, 2305, 4523, 4610, 9046, 22615, 45230, 2085103, 4170206, 10425515, 20851030]

約数ペア:

[(1, 20851030), (2, 10425515), (5, 4170206), (10, 2085103), (461, 45230), (922, 22615), (2305, 9046), (4523, 4610)]