20867776

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{131}}^2$

素因数の和:293

約数の個数: 42

約数和(自身を含む): 43924220

約数和(自身を除く): 23056444

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 131, 152, 262, 304, 524, 608, 1048, 1216, 2096, 2489, 4192, 4978, 8384, 9956, 17161, 19912, 34322, 39824, 68644, 79648, 137288, 159296, 274576, 326059, 549152, 652118, 1098304, 1304236, 2608472, 5216944, 10433888, 20867776]

約数ペア:

[(1, 20867776), (2, 10433888), (4, 5216944), (8, 2608472), (16, 1304236), (19, 1098304), (32, 652118), (38, 549152), (64, 326059), (76, 274576), (131, 159296), (152, 137288), (262, 79648), (304, 68644), (524, 39824), (608, 34322), (1048, 19912), (1216, 17161), (2096, 9956), (2489, 8384), (4192, 4978)]