20120305947

素因数分解:

$3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2568659}}^1$

素因数の和:2569042

約数の個数: 16

約数和(自身を含む): 30741722880

約数和(自身を除く): 10621416933

約数列:

[1, 3, 7, 21, 373, 1119, 2611, 7833, 2568659, 7705977, 17980613, 53941839, 958109807, 2874329421, 6706768649, 20120305947]

約数ペア:

[(1, 20120305947), (3, 6706768649), (7, 2874329421), (21, 958109807), (373, 53941839), (1119, 17980613), (2611, 7705977), (7833, 2568659)]