20204416

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5443}}^1$

素因数の和:5486

約数の個数: 32

約数和(自身を含む): 41646600

約数和(自身を除く): 21442184

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5443, 10886, 21772, 43544, 87088, 157847, 174176, 315694, 348352, 631388, 696704, 1262776, 2525552, 5051104, 10102208, 20204416]

約数ペア:

[(1, 20204416), (2, 10102208), (4, 5051104), (8, 2525552), (16, 1262776), (29, 696704), (32, 631388), (58, 348352), (64, 315694), (116, 174176), (128, 157847), (232, 87088), (464, 43544), (928, 21772), (1856, 10886), (3712, 5443)]