20243497000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{470779}}^1$

素因数の和:470843

約数の個数: 64

約数和(自身を含む): 48471508800

約数和(自身を除く): 28228011800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 860, 1000, 1075, 1720, 2150, 4300, 5375, 8600, 10750, 21500, 43000, 470779, 941558, 1883116, 2353895, 3766232, 4707790, 9415580, 11769475, 18831160, 20243497, 23538950, 40486994, 47077900, 58847375, 80973988, 94155800, 101217485, 117694750, 161947976, 202434970, 235389500, 404869940, 470779000, 506087425, 809739880, 1012174850, 2024349700, 2530437125, 4048699400, 5060874250, 10121748500, 20243497000]

約数ペア:

[(1, 20243497000), (2, 10121748500), (4, 5060874250), (5, 4048699400), (8, 2530437125), (10, 2024349700), (20, 1012174850), (25, 809739880), (40, 506087425), (43, 470779000), (50, 404869940), (86, 235389500), (100, 202434970), (125, 161947976), (172, 117694750), (200, 101217485), (215, 94155800), (250, 80973988), (344, 58847375), (430, 47077900), (500, 40486994), (860, 23538950), (1000, 20243497), (1075, 18831160), (1720, 11769475), (2150, 9415580), (4300, 4707790), (5375, 3766232), (8600, 2353895), (10750, 1883116), (21500, 941558), (43000, 470779)]