20320202884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{457621}}^1$

素因数の和:458295

約数の個数: 24

約数和(自身を含む): 37709883288

約数和(自身を除く): 17389680404

約数列:

[1, 2, 4, 17, 34, 68, 653, 1306, 2612, 11101, 22202, 44404, 457621, 915242, 1830484, 7779557, 15559114, 31118228, 298826513, 597653026, 1195306052, 5080050721, 10160101442, 20320202884]

約数ペア:

[(1, 20320202884), (2, 10160101442), (4, 5080050721), (17, 1195306052), (34, 597653026), (68, 298826513), (653, 31118228), (1306, 15559114), (2612, 7779557), (11101, 1830484), (22202, 915242), (44404, 457621)]