20440028

素因数分解:

$2^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{887}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 40975872

約数和(自身を除く): 20535844

約数列:

[1, 2, 4, 7, 14, 28, 823, 887, 1646, 1774, 3292, 3548, 5761, 6209, 11522, 12418, 23044, 24836, 730001, 1460002, 2920004, 5110007, 10220014, 20440028]

約数ペア:

[(1, 20440028), (2, 10220014), (4, 5110007), (7, 2920004), (14, 1460002), (28, 730001), (823, 24836), (887, 23044), (1646, 12418), (1774, 11522), (3292, 6209), (3548, 5761)]