20281898

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111439}}^1$

素因数の和:111461

約数の個数: 16

約数和(自身を含む): 37443840

約数和(自身を除く): 17161942

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 111439, 222878, 780073, 1448707, 1560146, 2897414, 10140949, 20281898]

約数ペア:

[(1, 20281898), (2, 10140949), (7, 2897414), (13, 1560146), (14, 1448707), (26, 780073), (91, 222878), (182, 111439)]