20812288

素因数分解:

$2^9\times 7^1\times {\mathrm{5807}}^1$

素因数の和:5832

約数の個数: 40

約数和(自身を含む): 47532672

約数和(自身を除く): 26720384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5807, 11614, 23228, 40649, 46456, 81298, 92912, 162596, 185824, 325192, 371648, 650384, 743296, 1300768, 1486592, 2601536, 2973184, 5203072, 10406144, 20812288]

約数ペア:

[(1, 20812288), (2, 10406144), (4, 5203072), (7, 2973184), (8, 2601536), (14, 1486592), (16, 1300768), (28, 743296), (32, 650384), (56, 371648), (64, 325192), (112, 185824), (128, 162596), (224, 92912), (256, 81298), (448, 46456), (512, 40649), (896, 23228), (1792, 11614), (3584, 5807)]