20723072

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8521}}^1$

素因数の和:8554

約数の個数: 32

約数和(自身を含む): 43462200

約数和(自身を除く): 22739128

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8521, 17042, 34084, 68168, 136336, 161899, 272672, 323798, 545344, 647596, 1090688, 1295192, 2590384, 5180768, 10361536, 20723072]

約数ペア:

[(1, 20723072), (2, 10361536), (4, 5180768), (8, 2590384), (16, 1295192), (19, 1090688), (32, 647596), (38, 545344), (64, 323798), (76, 272672), (128, 161899), (152, 136336), (304, 68168), (608, 34084), (1216, 17042), (2432, 8521)]