20355008

素因数分解:

$2^6\times {\mathrm{557}}^1\times {\mathrm{571}}^1$

素因数の和:1140

約数の個数: 28

約数和(自身を含む): 40535352

約数和(自身を除く): 20180344

約数列:

[1, 2, 4, 8, 16, 32, 64, 557, 571, 1114, 1142, 2228, 2284, 4456, 4568, 8912, 9136, 17824, 18272, 35648, 36544, 318047, 636094, 1272188, 2544376, 5088752, 10177504, 20355008]

約数ペア:

[(1, 20355008), (2, 10177504), (4, 5088752), (8, 2544376), (16, 1272188), (32, 636094), (64, 318047), (557, 36544), (571, 35648), (1114, 18272), (1142, 17824), (2228, 9136), (2284, 8912), (4456, 4568)]