20061903

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 27472896

約数和(自身を除く): 7410993

約数列:

[1, 3, 47, 141, 263, 541, 789, 1623, 12361, 25427, 37083, 76281, 142283, 426849, 6687301, 20061903]

約数ペア:

[(1, 20061903), (3, 6687301), (47, 426849), (141, 142283), (263, 76281), (541, 37083), (789, 25427), (1623, 12361)]