20724978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{839}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22820622

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 179, 358, 537, 839, 1074, 1678, 2517, 4117, 5034, 8234, 12351, 19297, 24702, 38594, 57891, 115782, 150181, 300362, 450543, 901086, 3454163, 6908326, 10362489, 20724978]

約数ペア:

[(1, 20724978), (2, 10362489), (3, 6908326), (6, 3454163), (23, 901086), (46, 450543), (69, 300362), (138, 150181), (179, 115782), (358, 57891), (537, 38594), (839, 24702), (1074, 19297), (1678, 12351), (2517, 8234), (4117, 5034)]