20254256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{733}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 43141584

約数和(自身を除く): 22887328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 157, 176, 314, 628, 733, 1256, 1466, 1727, 2512, 2932, 3454, 5864, 6908, 8063, 11728, 13816, 16126, 27632, 32252, 64504, 115081, 129008, 230162, 460324, 920648, 1265891, 1841296, 2531782, 5063564, 10127128, 20254256]

約数ペア:

[(1, 20254256), (2, 10127128), (4, 5063564), (8, 2531782), (11, 1841296), (16, 1265891), (22, 920648), (44, 460324), (88, 230162), (157, 129008), (176, 115081), (314, 64504), (628, 32252), (733, 27632), (1256, 16126), (1466, 13816), (1727, 11728), (2512, 8063), (2932, 6908), (3454, 5864)]