2000874555

素因数分解:

$3^4\times 5^1\times {\mathrm{4940431}}^1$

素因数の和:4940448

約数の個数: 20

約数和(自身を含む): 3586753632

約数和(自身を除く): 1585879077

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4940431, 14821293, 24702155, 44463879, 74106465, 133391637, 222319395, 400174911, 666958185, 2000874555]

約数ペア:

[(1, 2000874555), (3, 666958185), (5, 400174911), (9, 222319395), (15, 133391637), (27, 74106465), (45, 44463879), (81, 24702155), (135, 14821293), (405, 4940431)]