20521144

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6211}}^1$

素因数の和:6283

約数の個数: 32

約数和(自身を含む): 44726400

約数和(自身を除く): 24205256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6211, 12422, 24844, 43477, 49688, 86954, 173908, 347816, 366449, 732898, 1465796, 2565143, 2931592, 5130286, 10260572, 20521144]

約数ペア:

[(1, 20521144), (2, 10260572), (4, 5130286), (7, 2931592), (8, 2565143), (14, 1465796), (28, 732898), (56, 366449), (59, 347816), (118, 173908), (236, 86954), (413, 49688), (472, 43477), (826, 24844), (1652, 12422), (3304, 6211)]