20388992

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12253}}^1$

素因数の和:12280

約数の個数: 32

約数和(自身を含む): 43746780

約数和(自身を除く): 23357788

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12253, 24506, 49012, 98024, 159289, 196048, 318578, 392096, 637156, 784192, 1274312, 1568384, 2548624, 5097248, 10194496, 20388992]

約数ペア:

[(1, 20388992), (2, 10194496), (4, 5097248), (8, 2548624), (13, 1568384), (16, 1274312), (26, 784192), (32, 637156), (52, 392096), (64, 318578), (104, 196048), (128, 159289), (208, 98024), (416, 49012), (832, 24506), (1664, 12253)]