20669145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1949}}^1$

素因数の和:2065

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 17519655

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 303, 505, 707, 1515, 1949, 2121, 3535, 5847, 9745, 10605, 13643, 29235, 40929, 68215, 196849, 204645, 590547, 984245, 1377943, 2952735, 4133829, 6889715, 20669145]

約数ペア:

[(1, 20669145), (3, 6889715), (5, 4133829), (7, 2952735), (15, 1377943), (21, 984245), (35, 590547), (101, 204645), (105, 196849), (303, 68215), (505, 40929), (707, 29235), (1515, 13643), (1949, 10605), (2121, 9745), (3535, 5847)]