20788049681

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{3259}}^1\times {\mathrm{39619}}^1$

素因数の和:42908

約数の個数: 16

約数和(自身を含む): 24798950400

約数和(自身を除く): 4010900719

約数列:

[1, 7, 23, 161, 3259, 22813, 39619, 74957, 277333, 524699, 911237, 6378659, 129118321, 903828247, 2969721383, 20788049681]

約数ペア:

[(1, 20788049681), (7, 2969721383), (23, 903828247), (161, 129118321), (3259, 6378659), (22813, 911237), (39619, 524699), (74957, 277333)]