20342227660

素因数分解:

$2^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{477293}}^1$

素因数の和:479433

約数の個数: 24

約数和(自身を含む): 42738813936

約数和(自身を除く): 22396586276

約数列:

[1, 2, 4, 5, 10, 20, 2131, 4262, 8524, 10655, 21310, 42620, 477293, 954586, 1909172, 2386465, 4772930, 9545860, 1017111383, 2034222766, 4068445532, 5085556915, 10171113830, 20342227660]

約数ペア:

[(1, 20342227660), (2, 10171113830), (4, 5085556915), (5, 4068445532), (10, 2034222766), (20, 1017111383), (2131, 9545860), (4262, 4772930), (8524, 2386465), (10655, 1909172), (21310, 954586), (42620, 477293)]