20790978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14029}}^1$

素因数の和:14066

約数の個数: 32

約数和(自身を含む): 47140800

約数和(自身を除く): 26349822

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 14029, 28058, 42087, 84174, 182377, 266551, 364754, 533102, 547131, 799653, 1094262, 1599306, 3465163, 6930326, 10395489, 20790978]

約数ペア:

[(1, 20790978), (2, 10395489), (3, 6930326), (6, 3465163), (13, 1599306), (19, 1094262), (26, 799653), (38, 547131), (39, 533102), (57, 364754), (78, 266551), (114, 182377), (247, 84174), (494, 42087), (741, 28058), (1482, 14029)]