20127638

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{631}}^1$

素因数の和:1063

約数の個数: 16

約数和(自身を含む): 31056480

約数和(自身を除く): 10928842

約数列:

[1, 2, 41, 82, 389, 631, 778, 1262, 15949, 25871, 31898, 51742, 245459, 490918, 10063819, 20127638]

約数ペア:

[(1, 20127638), (2, 10063819), (41, 490918), (82, 245459), (389, 51742), (631, 31898), (778, 25871), (1262, 15949)]