20422605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2903}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 37914624

約数和(自身を除く): 17492019

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 2903, 7035, 8709, 14515, 20321, 43545, 60963, 101605, 194501, 304815, 583503, 972505, 1361507, 2917515, 4084521, 6807535, 20422605]

約数ペア:

[(1, 20422605), (3, 6807535), (5, 4084521), (7, 2917515), (15, 1361507), (21, 972505), (35, 583503), (67, 304815), (105, 194501), (201, 101605), (335, 60963), (469, 43545), (1005, 20321), (1407, 14515), (2345, 8709), (2903, 7035)]