20652496

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16339}}^1$

素因数の和:16426

約数の個数: 20

約数和(自身を含む): 40523200

約数和(自身を除く): 19870704

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16339, 32678, 65356, 130712, 261424, 1290781, 2581562, 5163124, 10326248, 20652496]

約数ペア:

[(1, 20652496), (2, 10326248), (4, 5163124), (8, 2581562), (16, 1290781), (79, 261424), (158, 130712), (316, 65356), (632, 32678), (1264, 16339)]