20414911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 24195024

約数和(自身を除く): 3780113

約数列:

[1, 11, 19, 53, 97, 209, 361, 583, 1007, 1067, 1843, 3971, 5141, 11077, 19133, 20273, 35017, 56551, 97679, 210463, 385187, 1074469, 1855901, 20414911]

約数ペア:

[(1, 20414911), (11, 1855901), (19, 1074469), (53, 385187), (97, 210463), (209, 97679), (361, 56551), (583, 35017), (1007, 20273), (1067, 19133), (1843, 11077), (3971, 5141)]