20512281621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1153}}^1\times {\mathrm{1439}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 29592622080

約数和(自身を除く): 9080340459

約数列:

[1, 3, 13, 39, 317, 951, 1153, 1439, 3459, 4121, 4317, 12363, 14989, 18707, 44967, 56121, 365501, 456163, 1096503, 1368489, 1659167, 4751513, 4977501, 5930119, 14254539, 17790357, 21569171, 64707513, 525955939, 1577867817, 6837427207, 20512281621]

約数ペア:

[(1, 20512281621), (3, 6837427207), (13, 1577867817), (39, 525955939), (317, 64707513), (951, 21569171), (1153, 17790357), (1439, 14254539), (3459, 5930119), (4121, 4977501), (4317, 4751513), (12363, 1659167), (14989, 1368489), (18707, 1096503), (44967, 456163), (56121, 365501)]