20480778

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6577}}^1$

素因数の和:6758

約数の個数: 24

約数和(自身を含む): 44638308

約数和(自身を除く): 24157530

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6577, 13154, 19731, 39462, 59193, 118386, 1137821, 2275642, 3413463, 6826926, 10240389, 20480778]

約数ペア:

[(1, 20480778), (2, 10240389), (3, 6826926), (6, 3413463), (9, 2275642), (18, 1137821), (173, 118386), (346, 59193), (519, 39462), (1038, 19731), (1557, 13154), (3114, 6577)]