20152498

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1233

約数の個数: 16

約数和(自身を含む): 30905280

約数和(自身を除く): 10752782

約数列:

[1, 2, 71, 139, 142, 278, 1021, 2042, 9869, 19738, 72491, 141919, 144982, 283838, 10076249, 20152498]

約数ペア:

[(1, 20152498), (2, 10076249), (71, 283838), (139, 144982), (142, 141919), (278, 72491), (1021, 19738), (2042, 9869)]