2020248909

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{405917}}^1$

素因数の和:406009

約数の個数: 24

約数和(自身を含む): 3377237760

約数和(自身を除く): 1356988851

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 405917, 1217751, 2841419, 3653253, 8524257, 25572771, 32067443, 96202329, 224472101, 288606987, 673416303, 2020248909]

約数ペア:

[(1, 2020248909), (3, 673416303), (7, 288606987), (9, 224472101), (21, 96202329), (63, 32067443), (79, 25572771), (237, 8524257), (553, 3653253), (711, 2841419), (1659, 1217751), (4977, 405917)]