20804370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1609}}^1$

素因数の和:2050

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 29273070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1609, 2155, 2586, 3218, 4310, 4827, 6465, 8045, 9654, 12930, 16090, 24135, 48270, 693479, 1386958, 2080437, 3467395, 4160874, 6934790, 10402185, 20804370]

約数ペア:

[(1, 20804370), (2, 10402185), (3, 6934790), (5, 4160874), (6, 3467395), (10, 2080437), (15, 1386958), (30, 693479), (431, 48270), (862, 24135), (1293, 16090), (1609, 12930), (2155, 9654), (2586, 8045), (3218, 6465), (4310, 4827)]