20219898237

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1637}}^1\times {\mathrm{4861}}^1$

素因数の和:6530

約数の個数: 48

約数和(自身を含む): 33894596736

約数和(自身を除く): 13674698499

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 1637, 2541, 4861, 4911, 11459, 14583, 18007, 34027, 34377, 53471, 54021, 102081, 126049, 160413, 198077, 374297, 378147, 588181, 594231, 1122891, 1386539, 1764543, 4117267, 4159617, 7957457, 12351801, 23872371, 55702199, 87532027, 167106597, 262596081, 612724189, 962852297, 1838172567, 2888556891, 6739966079, 20219898237]

約数ペア:

[(1, 20219898237), (3, 6739966079), (7, 2888556891), (11, 1838172567), (21, 962852297), (33, 612724189), (77, 262596081), (121, 167106597), (231, 87532027), (363, 55702199), (847, 23872371), (1637, 12351801), (2541, 7957457), (4861, 4159617), (4911, 4117267), (11459, 1764543), (14583, 1386539), (18007, 1122891), (34027, 594231), (34377, 588181), (53471, 378147), (54021, 374297), (102081, 198077), (126049, 160413)]