20568658971

素因数分解:

$3^1\times 7^1\times {\mathrm{64189}}^1\times {\mathrm{15259}}^1$

素因数の和:79458

約数の個数: 16

約数和(自身を含む): 31345260800

約数和(自身を除く): 10776601829

約数列:

[1, 3, 7, 21, 15259, 45777, 64189, 106813, 192567, 320439, 449323, 1347969, 979459951, 2938379853, 6856219657, 20568658971]

約数ペア:

[(1, 20568658971), (3, 6856219657), (7, 2938379853), (21, 979459951), (15259, 1347969), (45777, 449323), (64189, 320439), (106813, 192567)]