20274500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 48432384

約数和(自身を除く): 28157884

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 43, 46, 50, 82, 86, 92, 100, 115, 125, 164, 172, 205, 215, 230, 250, 410, 430, 460, 500, 575, 820, 860, 943, 989, 1025, 1075, 1150, 1763, 1886, 1978, 2050, 2150, 2300, 2875, 3526, 3772, 3956, 4100, 4300, 4715, 4945, 5125, 5375, 5750, 7052, 8815, 9430, 9890, 10250, 10750, 11500, 17630, 18860, 19780, 20500, 21500, 23575, 24725, 35260, 40549, 44075, 47150, 49450, 81098, 88150, 94300, 98900, 117875, 123625, 162196, 176300, 202745, 220375, 235750, 247250, 405490, 440750, 471500, 494500, 810980, 881500, 1013725, 2027450, 4054900, 5068625, 10137250, 20274500]

約数ペア:

[(1, 20274500), (2, 10137250), (4, 5068625), (5, 4054900), (10, 2027450), (20, 1013725), (23, 881500), (25, 810980), (41, 494500), (43, 471500), (46, 440750), (50, 405490), (82, 247250), (86, 235750), (92, 220375), (100, 202745), (115, 176300), (125, 162196), (164, 123625), (172, 117875), (205, 98900), (215, 94300), (230, 88150), (250, 81098), (410, 49450), (430, 47150), (460, 44075), (500, 40549), (575, 35260), (820, 24725), (860, 23575), (943, 21500), (989, 20500), (1025, 19780), (1075, 18860), (1150, 17630), (1763, 11500), (1886, 10750), (1978, 10250), (2050, 9890), (2150, 9430), (2300, 8815), (2875, 7052), (3526, 5750), (3772, 5375), (3956, 5125), (4100, 4945), (4300, 4715)]