20798788218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266651131}}^1$

素因数の和:266651149

約数の個数: 16

約数和(自身を含む): 44797390176

約数和(自身を除く): 23998601958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266651131, 533302262, 799953393, 1599906786, 3466464703, 6932929406, 10399394109, 20798788218]

約数ペア:

[(1, 20798788218), (2, 10399394109), (3, 6932929406), (6, 3466464703), (13, 1599906786), (26, 799953393), (39, 533302262), (78, 266651131)]