20728384

素因数分解:

$2^6\times {\mathrm{163}}^1\times {\mathrm{1987}}^1$

素因数の和:2162

約数の個数: 28

約数和(自身を含む): 41406064

約数和(自身を除く): 20677680

約数列:

[1, 2, 4, 8, 16, 32, 64, 163, 326, 652, 1304, 1987, 2608, 3974, 5216, 7948, 10432, 15896, 31792, 63584, 127168, 323881, 647762, 1295524, 2591048, 5182096, 10364192, 20728384]

約数ペア:

[(1, 20728384), (2, 10364192), (4, 5182096), (8, 2591048), (16, 1295524), (32, 647762), (64, 323881), (163, 127168), (326, 63584), (652, 31792), (1304, 15896), (1987, 10432), (2608, 7948), (3974, 5216)]