20178105438

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78209711}}^1$

素因数の和:78209759

約数の個数: 16

約数和(自身を含む): 41294727936

約数和(自身を除く): 21116622498

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 78209711, 156419422, 234629133, 469258266, 3363017573, 6726035146, 10089052719, 20178105438]

約数ペア:

[(1, 20178105438), (2, 10089052719), (3, 6726035146), (6, 3363017573), (43, 469258266), (86, 234629133), (129, 156419422), (258, 78209711)]