20067160

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2521}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 45396000

約数和(自身を除く): 25328840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 2521, 3980, 5042, 7960, 10084, 12605, 20168, 25210, 50420, 100840, 501679, 1003358, 2006716, 2508395, 4013432, 5016790, 10033580, 20067160]

約数ペア:

[(1, 20067160), (2, 10033580), (4, 5016790), (5, 4013432), (8, 2508395), (10, 2006716), (20, 1003358), (40, 501679), (199, 100840), (398, 50420), (796, 25210), (995, 20168), (1592, 12605), (1990, 10084), (2521, 7960), (3980, 5042)]