20512007205

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{773}}^1\times {\mathrm{10853}}^1$

素因数の和:11797

約数の個数: 32

約数和(自身を含む): 33066320256

約数和(自身を除く): 12554313051

約数列:

[1, 3, 5, 15, 163, 489, 773, 815, 2319, 2445, 3865, 10853, 11595, 32559, 54265, 125999, 162795, 377997, 629995, 1769039, 1889985, 5307117, 8389369, 8845195, 25168107, 26535585, 41946845, 125840535, 1367467147, 4102401441, 6837335735, 20512007205]

約数ペア:

[(1, 20512007205), (3, 6837335735), (5, 4102401441), (15, 1367467147), (163, 125840535), (489, 41946845), (773, 26535585), (815, 25168107), (2319, 8845195), (2445, 8389369), (3865, 5307117), (10853, 1889985), (11595, 1769039), (32559, 629995), (54265, 377997), (125999, 162795)]