20180488503

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{108499}}^1$

素因数の和:109047

約数の個数: 32

約数和(自身を含む): 32622912000

約数和(自身を除く): 12442423497

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 521, 1563, 3647, 8857, 10941, 26571, 61999, 108499, 185997, 325497, 759493, 1844483, 2278479, 5533449, 12911381, 38734143, 56527979, 169583937, 395695853, 960975643, 1187087559, 2882926929, 6726829501, 20180488503]

約数ペア:

[(1, 20180488503), (3, 6726829501), (7, 2882926929), (17, 1187087559), (21, 960975643), (51, 395695853), (119, 169583937), (357, 56527979), (521, 38734143), (1563, 12911381), (3647, 5533449), (8857, 2278479), (10941, 1844483), (26571, 759493), (61999, 325497), (108499, 185997)]