20281185

素因数分解:

$3^4\times 5^1\times {\mathrm{50077}}^1$

素因数の和:50094

約数の個数: 20

約数和(自身を含む): 36356628

約数和(自身を除く): 16075443

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50077, 150231, 250385, 450693, 751155, 1352079, 2253465, 4056237, 6760395, 20281185]

約数ペア:

[(1, 20281185), (3, 6760395), (5, 4056237), (9, 2253465), (15, 1352079), (27, 751155), (45, 450693), (81, 250385), (135, 150231), (405, 50077)]