20030908

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 35824880

約数和(自身を除く): 15793972

約数列:

[1, 2, 4, 73, 146, 181, 292, 362, 379, 724, 758, 1516, 13213, 26426, 27667, 52852, 55334, 68599, 110668, 137198, 274396, 5007727, 10015454, 20030908]

約数ペア:

[(1, 20030908), (2, 10015454), (4, 5007727), (73, 274396), (146, 137198), (181, 110668), (292, 68599), (362, 55334), (379, 52852), (724, 27667), (758, 26426), (1516, 13213)]