20446425

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:484

約数の個数: 60

約数和(自身を含む): 39610560

約数和(自身を除く): 19164135

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 405, 439, 575, 621, 675, 1035, 1317, 1725, 1863, 2025, 2195, 3105, 3951, 5175, 6585, 9315, 10097, 10975, 11853, 15525, 19755, 30291, 32925, 35559, 46575, 50485, 59265, 90873, 98775, 151455, 177795, 252425, 272619, 296325, 454365, 757275, 817857, 888975, 1363095, 2271825, 4089285, 6815475, 20446425]

約数ペア:

[(1, 20446425), (3, 6815475), (5, 4089285), (9, 2271825), (15, 1363095), (23, 888975), (25, 817857), (27, 757275), (45, 454365), (69, 296325), (75, 272619), (81, 252425), (115, 177795), (135, 151455), (207, 98775), (225, 90873), (345, 59265), (405, 50485), (439, 46575), (575, 35559), (621, 32925), (675, 30291), (1035, 19755), (1317, 15525), (1725, 11853), (1863, 10975), (2025, 10097), (2195, 9315), (3105, 6585), (3951, 5175)]