20051777991

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{995669}}^1$

素因数の和:995823

約数の個数: 24

約数和(自身を含む): 31327760880

約数和(自身を除く): 11275982889

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 6713, 20139, 995669, 2987007, 6969683, 20909049, 48787781, 136406653, 146363343, 409219959, 954846571, 2864539713, 6683925997, 20051777991]

約数ペア:

[(1, 20051777991), (3, 6683925997), (7, 2864539713), (21, 954846571), (49, 409219959), (137, 146363343), (147, 136406653), (411, 48787781), (959, 20909049), (2877, 6969683), (6713, 2987007), (20139, 995669)]