20651146

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{839}}^1$

素因数の和:1269

約数の個数: 16

約数和(自身を含む): 32094720

約数和(自身を除く): 11443574

約数列:

[1, 2, 31, 62, 397, 794, 839, 1678, 12307, 24614, 26009, 52018, 333083, 666166, 10325573, 20651146]

約数ペア:

[(1, 20651146), (2, 10325573), (31, 666166), (62, 333083), (397, 52018), (794, 26009), (839, 24614), (1678, 12307)]