2000991728

素因数分解:

$2^4\times {\mathrm{6781}}^1\times {\mathrm{18443}}^1$

素因数の和:25232

約数の個数: 20

約数和(自身を含む): 3877703448

約数和(自身を除く): 1876711720

約数列:

[1, 2, 4, 8, 16, 6781, 13562, 18443, 27124, 36886, 54248, 73772, 108496, 147544, 295088, 125061983, 250123966, 500247932, 1000495864, 2000991728]

約数ペア:

[(1, 2000991728), (2, 1000495864), (4, 500247932), (8, 250123966), (16, 125061983), (6781, 295088), (13562, 147544), (18443, 108496), (27124, 73772), (36886, 54248)]