20529082

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 17072198

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1087, 1349, 2174, 2698, 7609, 9443, 15218, 18886, 20653, 41306, 77177, 144571, 154354, 289142, 540239, 1080478, 1466363, 2932726, 10264541, 20529082]

約数ペア:

[(1, 20529082), (2, 10264541), (7, 2932726), (14, 1466363), (19, 1080478), (38, 540239), (71, 289142), (133, 154354), (142, 144571), (266, 77177), (497, 41306), (994, 20653), (1087, 18886), (1349, 15218), (2174, 9443), (2698, 7609)]