20335928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 40357200

約数和(自身を除く): 20021272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 337, 397, 674, 794, 1348, 1588, 2696, 3176, 6403, 7543, 12806, 15086, 25612, 30172, 51224, 60344, 133789, 267578, 535156, 1070312, 2541991, 5083982, 10167964, 20335928]

約数ペア:

[(1, 20335928), (2, 10167964), (4, 5083982), (8, 2541991), (19, 1070312), (38, 535156), (76, 267578), (152, 133789), (337, 60344), (397, 51224), (674, 30172), (794, 25612), (1348, 15086), (1588, 12806), (2696, 7543), (3176, 6403)]