20512191621

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{6977}}^1\times {\mathrm{10103}}^1$

素因数の和:17180

約数の個数: 16

約数和(自身を含む): 27638239104

約数和(自身を除く): 7126047483

約数列:

[1, 3, 97, 291, 6977, 10103, 20931, 30309, 676769, 979991, 2030307, 2939973, 70488631, 211465893, 6837397207, 20512191621]

約数ペア:

[(1, 20512191621), (3, 6837397207), (97, 211465893), (291, 70488631), (6977, 2939973), (10103, 2030307), (20931, 979991), (30309, 676769)]