20524791

素因数分解:

$3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3803}}^1$

素因数の和:4070

約数の個数: 16

約数和(自身を含む): 31405824

約数和(自身を除く): 10881033

約数列:

[1, 3, 7, 21, 257, 771, 1799, 3803, 5397, 11409, 26621, 79863, 977371, 2932113, 6841597, 20524791]

約数ペア:

[(1, 20524791), (3, 6841597), (7, 2932113), (21, 977371), (257, 79863), (771, 26621), (1799, 11409), (3803, 5397)]