20128442864

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{3739}}^1\times {\mathrm{4259}}^1$

素因数の和:8085

約数の個数: 40

約数和(自身を含む): 39512352000

約数和(自身を除く): 19383909136

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 3739, 4259, 7478, 8518, 14956, 17036, 29912, 34072, 59824, 68144, 295381, 336461, 590762, 672922, 1181524, 1345844, 2363048, 2691688, 4726096, 5383376, 15924401, 31848802, 63697604, 127395208, 254790416, 1258027679, 2516055358, 5032110716, 10064221432, 20128442864]

約数ペア:

[(1, 20128442864), (2, 10064221432), (4, 5032110716), (8, 2516055358), (16, 1258027679), (79, 254790416), (158, 127395208), (316, 63697604), (632, 31848802), (1264, 15924401), (3739, 5383376), (4259, 4726096), (7478, 2691688), (8518, 2363048), (14956, 1345844), (17036, 1181524), (29912, 672922), (34072, 590762), (59824, 336461), (68144, 295381)]