20291750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3529}}^1$

素因数の和:3569

約数の個数: 32

約数和(自身を含む): 39648960

約数和(自身を除く): 19357210

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 3529, 5750, 7058, 17645, 35290, 81167, 88225, 162334, 176450, 405835, 441125, 811670, 882250, 2029175, 4058350, 10145875, 20291750]

約数ペア:

[(1, 20291750), (2, 10145875), (5, 4058350), (10, 2029175), (23, 882250), (25, 811670), (46, 441125), (50, 405835), (115, 176450), (125, 162334), (230, 88225), (250, 81167), (575, 35290), (1150, 17645), (2875, 7058), (3529, 5750)]