20123691816

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5144093}}^1$

素因数の和:5144265

約数の個数: 32

約数和(自身を含む): 50617884960

約数和(自身を除く): 30494193144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5144093, 10288186, 15432279, 20576372, 30864558, 41152744, 61729116, 123458232, 838487159, 1676974318, 2515461477, 3353948636, 5030922954, 6707897272, 10061845908, 20123691816]

約数ペア:

[(1, 20123691816), (2, 10061845908), (3, 6707897272), (4, 5030922954), (6, 3353948636), (8, 2515461477), (12, 1676974318), (24, 838487159), (163, 123458232), (326, 61729116), (489, 41152744), (652, 30864558), (978, 20576372), (1304, 15432279), (1956, 10288186), (3912, 5144093)]