20126572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7219}}^1$

素因数の和:7281

約数の個数: 24

約数和(自身を含む): 38208240

約数和(自身を除く): 18081668

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7219, 14438, 28876, 122723, 245446, 295979, 490892, 591958, 1183916, 5031643, 10063286, 20126572]

約数ペア:

[(1, 20126572), (2, 10063286), (4, 5031643), (17, 1183916), (34, 591958), (41, 490892), (68, 295979), (82, 245446), (164, 122723), (697, 28876), (1394, 14438), (2788, 7219)]