20712584

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3169}}^1$

素因数の和:3237

約数の個数: 32

約数和(自身を含む): 41844000

約数和(自身を除く): 21131416

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3169, 3268, 6338, 6536, 12676, 25352, 60211, 120422, 136267, 240844, 272534, 481688, 545068, 1090136, 2589073, 5178146, 10356292, 20712584]

約数ペア:

[(1, 20712584), (2, 10356292), (4, 5178146), (8, 2589073), (19, 1090136), (38, 545068), (43, 481688), (76, 272534), (86, 240844), (152, 136267), (172, 120422), (344, 60211), (817, 25352), (1634, 12676), (3169, 6536), (3268, 6338)]