20804484

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 50641920

約数和(自身を除く): 29837436

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 191, 313, 348, 382, 573, 626, 764, 939, 1146, 1252, 1878, 2292, 3756, 5539, 9077, 11078, 16617, 18154, 22156, 27231, 33234, 36308, 54462, 59783, 66468, 108924, 119566, 179349, 239132, 358698, 717396, 1733707, 3467414, 5201121, 6934828, 10402242, 20804484]

約数ペア:

[(1, 20804484), (2, 10402242), (3, 6934828), (4, 5201121), (6, 3467414), (12, 1733707), (29, 717396), (58, 358698), (87, 239132), (116, 179349), (174, 119566), (191, 108924), (313, 66468), (348, 59783), (382, 54462), (573, 36308), (626, 33234), (764, 27231), (939, 22156), (1146, 18154), (1252, 16617), (1878, 11078), (2292, 9077), (3756, 5539)]