20120877

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18787}}^1$

素因数の和:18817

約数の個数: 24

約数和(自身を含む): 35171136

約数和(自身を除く): 15050259

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18787, 56361, 131509, 169083, 319379, 394527, 958137, 1183581, 2235653, 2874411, 6706959, 20120877]

約数ペア:

[(1, 20120877), (3, 6706959), (7, 2874411), (9, 2235653), (17, 1183581), (21, 958137), (51, 394527), (63, 319379), (119, 169083), (153, 131509), (357, 56361), (1071, 18787)]