20104509

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 27320832

約数和(自身を除く): 7216323

約数列:

[1, 3, 83, 249, 263, 307, 789, 921, 21829, 25481, 65487, 76443, 80741, 242223, 6701503, 20104509]

約数ペア:

[(1, 20104509), (3, 6701503), (83, 242223), (249, 80741), (263, 76443), (307, 65487), (789, 25481), (921, 21829)]