20185865864

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{2801}}^1\times {\mathrm{8419}}^1$

素因数の和:11333

約数の個数: 32

約数和(自身を含む): 38220400800

約数和(自身を除く): 18034534936

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 2801, 5602, 8419, 11204, 16838, 22408, 33676, 67352, 299707, 599414, 900833, 1198828, 1801666, 2397656, 3603332, 7206664, 23581619, 47163238, 94326476, 188652952, 2523233233, 5046466466, 10092932932, 20185865864]

約数ペア:

[(1, 20185865864), (2, 10092932932), (4, 5046466466), (8, 2523233233), (107, 188652952), (214, 94326476), (428, 47163238), (856, 23581619), (2801, 7206664), (5602, 3603332), (8419, 2397656), (11204, 1801666), (16838, 1198828), (22408, 900833), (33676, 599414), (67352, 299707)]