20413952

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3067}}^1$

素因数の和:3098

約数の個数: 40

約数和(自身を含む): 43939896

約数和(自身を除く): 23525944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3067, 3328, 6134, 6656, 12268, 24536, 39871, 49072, 79742, 98144, 159484, 196288, 318968, 392576, 637936, 785152, 1275872, 1570304, 2551744, 5103488, 10206976, 20413952]

約数ペア:

[(1, 20413952), (2, 10206976), (4, 5103488), (8, 2551744), (13, 1570304), (16, 1275872), (26, 785152), (32, 637936), (52, 392576), (64, 318968), (104, 196288), (128, 159484), (208, 98144), (256, 79742), (416, 49072), (512, 39871), (832, 24536), (1664, 12268), (3067, 6656), (3328, 6134)]