20436608

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{2383}}^1$

素因数の和:2464

約数の個数: 32

約数和(自身を含む): 41338560

約数和(自身を除く): 20901952

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 268, 536, 1072, 2144, 2383, 4288, 4766, 8576, 9532, 19064, 38128, 76256, 152512, 159661, 305024, 319322, 638644, 1277288, 2554576, 5109152, 10218304, 20436608]

約数ペア:

[(1, 20436608), (2, 10218304), (4, 5109152), (8, 2554576), (16, 1277288), (32, 638644), (64, 319322), (67, 305024), (128, 159661), (134, 152512), (268, 76256), (536, 38128), (1072, 19064), (2144, 9532), (2383, 8576), (4288, 4766)]