20547864

素因数分解:

$2^3\times 3^3\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 57456000

約数和(自身を除く): 36908136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 251, 379, 502, 753, 758, 1004, 1137, 1506, 1516, 2008, 2259, 2274, 3012, 3032, 3411, 4518, 4548, 6024, 6777, 6822, 9036, 9096, 10233, 13554, 13644, 18072, 20466, 27108, 27288, 40932, 54216, 81864, 95129, 190258, 285387, 380516, 570774, 761032, 856161, 1141548, 1712322, 2283096, 2568483, 3424644, 5136966, 6849288, 10273932, 20547864]

約数ペア:

[(1, 20547864), (2, 10273932), (3, 6849288), (4, 5136966), (6, 3424644), (8, 2568483), (9, 2283096), (12, 1712322), (18, 1141548), (24, 856161), (27, 761032), (36, 570774), (54, 380516), (72, 285387), (108, 190258), (216, 95129), (251, 81864), (379, 54216), (502, 40932), (753, 27288), (758, 27108), (1004, 20466), (1137, 18072), (1506, 13644), (1516, 13554), (2008, 10233), (2259, 9096), (2274, 9036), (3012, 6822), (3032, 6777), (3411, 6024), (4518, 4548)]