20450536

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1621}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 40874400

約数和(自身を除く): 20423864

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1577, 1621, 3154, 3242, 6308, 6484, 12616, 12968, 30799, 61598, 123196, 134543, 246392, 269086, 538172, 1076344, 2556317, 5112634, 10225268, 20450536]

約数ペア:

[(1, 20450536), (2, 10225268), (4, 5112634), (8, 2556317), (19, 1076344), (38, 538172), (76, 269086), (83, 246392), (152, 134543), (166, 123196), (332, 61598), (664, 30799), (1577, 12968), (1621, 12616), (3154, 6484), (3242, 6308)]