20831560192

素因数分解:

$2^9\times {\mathrm{2657}}^1\times {\mathrm{15313}}^1$

素因数の和:17988

約数の個数: 40

約数和(自身を含む): 41640818076

約数和(自身を除く): 20809257884

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 2657, 5314, 10628, 15313, 21256, 30626, 42512, 61252, 85024, 122504, 170048, 245008, 340096, 490016, 680192, 980032, 1360384, 1960064, 3920128, 7840256, 40686641, 81373282, 162746564, 325493128, 650986256, 1301972512, 2603945024, 5207890048, 10415780096, 20831560192]

約数ペア:

[(1, 20831560192), (2, 10415780096), (4, 5207890048), (8, 2603945024), (16, 1301972512), (32, 650986256), (64, 325493128), (128, 162746564), (256, 81373282), (512, 40686641), (2657, 7840256), (5314, 3920128), (10628, 1960064), (15313, 1360384), (21256, 980032), (30626, 680192), (42512, 490016), (61252, 340096), (85024, 245008), (122504, 170048)]