13803820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9721}}^1$

素因数の和:9801

約数の個数: 24

約数和(自身を含む): 29399328

約数和(自身を除く): 15595508

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9721, 19442, 38884, 48605, 97210, 194420, 690191, 1380382, 2760764, 3450955, 6901910, 13803820]

約数ペア:

[(1, 13803820), (2, 6901910), (4, 3450955), (5, 2760764), (10, 1380382), (20, 690191), (71, 194420), (142, 97210), (284, 48605), (355, 38884), (710, 19442), (1420, 9721)]