20814822

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{709}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 51835680

約数和(自身を除く): 31020858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 699, 709, 1398, 1418, 1631, 2097, 2127, 3262, 4194, 4254, 4893, 4963, 6381, 9786, 9926, 12762, 14679, 14889, 29358, 29778, 44667, 89334, 165197, 330394, 495591, 991182, 1156379, 1486773, 2312758, 2973546, 3469137, 6938274, 10407411, 20814822]

約数ペア:

[(1, 20814822), (2, 10407411), (3, 6938274), (6, 3469137), (7, 2973546), (9, 2312758), (14, 1486773), (18, 1156379), (21, 991182), (42, 495591), (63, 330394), (126, 165197), (233, 89334), (466, 44667), (699, 29778), (709, 29358), (1398, 14889), (1418, 14679), (1631, 12762), (2097, 9926), (2127, 9786), (3262, 6381), (4194, 4963), (4254, 4893)]