20613603458

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16543823}}^1$

素因数の和:16543921

約数の個数: 16

約数和(自身を含む): 35734659840

約数和(自身を除く): 15121056382

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16543823, 33087646, 115806761, 231613522, 1472400247, 2944800494, 10306801729, 20613603458]

約数ペア:

[(1, 20613603458), (2, 10306801729), (7, 2944800494), (14, 1472400247), (89, 231613522), (178, 115806761), (623, 33087646), (1246, 16543823)]